Oil, the most important source of energy, is as precious ............... gold.
أ
such
ب
as
ج
so
د
such as
تفسير الإجابة
We use the structure 'as + adjective + as' to show equality or comparison.
Managers usually expect the best ............... their employees.
أ
from
ب
as
ج
so
د
such as
تفسير الإجابة
The preposition 'from' is used after 'expect something' to indicate the source.
My brother is a PhD student in London ............... he is doing high-level research.
أ
who
ب
whom
ج
which
د
where
تفسير الإجابة
'Where' is a relative adverb used to refer to a place (London).
One ............... my classmates has won the 'Student of the year' award.
تفسير الإجابة
We use 'one of' followed by a plural noun to specify one person from a group.
I am really grateful to all my teachers ............... their help and constant follow-up.
تفسير الإجابة
The adjective 'grateful' is followed by the preposition 'for' to state the reason for gratitude.
The tourists, who are sitting ............... the front row, will enjoy the gorgeous views.
أ
under
ب
throughout
ج
for
د
in
تفسير الإجابة
We use the preposition 'in' for rows (in the front row).
The young boy could beat adults in memory games ............... digits.
أ
involves
ب
was involving
ج
involving
د
has involved
تفسير الإجابة
'Involving' is a present participle used as a reduced relative clause (games that involve digits).
Many unsolved mysteries have been ............... by dedicated researchers.
أ
revealing
ب
revealed
ج
reveal
د
reveals
تفسير الإجابة
This is a present perfect passive structure: 'have been' + past participle (revealed).
The dentist told me that he ............... my gums with a special solution.
أ
had cleaned
ب
has cleaned
ج
will clean
د
was cleaned
تفسير الإجابة
In reported speech, the tense shifts back; here it shifts to the past perfect 'had cleaned'.
Many scientists gained much fame due to working hard ............... their lives.
أ
at
ب
by
ج
with
د
throughout
تفسير الإجابة
'Throughout' means during the whole period of time.
My cousin finished her studies, ............... the youngest doctor in our family.
أ
becomes
ب
becoming
ج
became
د
become
تفسير الإجابة
The present participle 'becoming' is used here to describe a result of the main clause.
You were ............... the conference of science yesterday, weren't you?
تفسير الإجابة
We use 'at' to refer to being present at an event like a conference.
It was midnight ............... the first rescue team arrived at the scene.
أ
where
ب
who
ج
when
د
which
تفسير الإجابة
'When' is used to refer to a point in time (midnight).
Modern farming is usually carried out ............... advanced machinery.
تفسير الإجابة
'By' is used to indicate the means or method of an action.
It is said that ............... adulthood, some young prodigies lose their talents.
تفسير الإجابة
'By adulthood' means by the time they reach adulthood.
The device, ............... broke down last week, is working again now.
أ
who
ب
where
ج
when
د
which
تفسير الإجابة
'Which' is the relative pronoun used for non-human things (the device).
My son can play music ............... many different instruments.
تفسير الإجابة
We use the preposition 'on' with musical instruments (play on an instrument).
The school provided all the students ............... new books and notes.
تفسير الإجابة
The verb 'provide' follows the pattern 'provide someone with something'.
We stayed at the hotel ............... my friends had recommended.
أ
where
ب
who
ج
which
د
when
تفسير الإجابة
'Which' is used here as a relative pronoun acting as the object of the verb 'recommended'.
The manager was impressed with the employees ............... the company.
أ
in
ب
for
ج
with
د
about
تفسير الإجابة
'Employees for the company' refers to people working for that organization.
Psychologists oversaw a survey about sleeping habits, ............... important results.
أ
reaches
ب
reaching
ج
reached
د
reach
تفسير الإجابة
'Reaching' is a present participle used to express the result of the action in the main clause.
My doctor has a 17-year-old son ............... ambition is to be a photographer.
أ
where
ب
that
ج
which
د
whose
تفسير الإجابة
'Whose' is a possessive relative pronoun used to show ownership/relation.
Some good progress ............... by my brother lately.
أ
has been made
ب
will be made
ج
has made
د
had made
تفسير الإجابة
This is the present perfect passive voice (has been + past participle).
My classmate gave an informative presentation ............... climate change.
أ
over
ب
around
ج
under
د
about
تفسير الإجابة
We use 'about' to indicate the subject matter of a presentation.
The villagers were ............... the use of chemical substances on their crops.
أ
against
ب
for
ج
with
د
from
تفسير الإجابة
'Against' indicates opposition to an idea or practice.
His promotion in the company is due to his ability to work ............... pressure.
أ
over
ب
for
ج
from
د
under
تفسير الإجابة
The standard English expression is 'to work under pressure'.
