I am extremely grateful .....… all the teachers ….… their help.
A.to - for
B.to - about
C.for - with
D.to - on

He’s sitting …….the chair .….… to the piano.
A.in - inside
B.in - into
C.on - next
D.on - near

She suffers ….… a lack of confidence.
A.about
B.into
C.to
D.from

_________(1)
A.role
B.flagship
C.important
D.importance

In my opinion, I think the problem should be solved as soon as possible.
A.In
B.I think
C.the
D.should be

Lack of sanitation in restaurants are a major cause of disease in some areas of the country.
A.of sanitation
B.are
C.cause of
D.in some areas

A.uncertain
B.arrogant
C.familiar
D.impatient

In my view the changes to the education system have been to good ____
A.outcome
B.upshot
C.influence
D.effect

Until he spoke I hadn't realized he didn't know anything about the subject.
A.If he didn't speak, I wouldn't realize he didn't know anything about the subject.
B.If he hadn't spoken, I wouldn't have realized he didn't know anything about the subject.
C.Unless he spoke I wouldn't realize he didn't know anything about the subject.
D.When he spoke I hadn't realized he didn't know anything about the subject

As soon as they arrived at the beach, it started to rain.
A.They had no sooner arrived at the beach, it started to rain.
B.No sooner had they arrived at the beach than it started to rain.
C.They had hardly arrived at the beach, it started to rain.
D.It started to rain when arriving at the beach.