It is imperative that you ______ there in person.
A. are
B. were
C. be
D. will be
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The atomic structure is, ______, a miniature solar system.
A. as they were
B. as if they were
C. as it were
D. as if are
We required that the machine parts ______ cast iron.
A. is made of
B. be made from
C. be made of
D. is made by
The management urged that the cost of production ______.
A. to be further reduced
B. was further reduced
C. be further reduced
D. should further reduced
The business is risky. But ______ we would be rich.
A. should we succeed
B. we should succeed
C. might we succeed
D. would we succeed
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