______(30)
A.should be
B.is being
C.had been
D.can be

_____(31)
A.unless
B.if
C.provided
D.as long as

______(33)
A.so much
B.so
C.such an
D.such

When the teacher asked Amanda what the chemical formula was, her mind was a total______
A.void
B.empty
C.nothing
D.blank

He has read a lot of books and______ a lot of knowledge.
A.acquired
B.won
C.achieved
D.requested

Is there any chance______ the machinery repaired?
A.to have
B.of having
C.for having
D.of being

Choose the best option
Let's have a _____ of tennis after lunch if you're not tired, shall we?
A.match
B.play
C.game
D.party

Choose the best option
He played a very important ______ in politics until he was well over 80.
A.scene
B.job
C.position
D.part

Choose the best option
She _____ down completely on hearing of her friend's death.
A.broke
B.turned
C.put
D.fell

Choose the best option
The manager did not offer her the job because of her untidy _____.
A.sight
B.view
C.appearance
D.presence