题目内容

Many a professor _ looking forward to visiting Germany now. Many scientists _ studied animals and plants in the last two years.

A.is; have
B.is; has
C.are; have
D.is; are

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Her family _ much larger than mine four years ago. Her family _ dancing and singing when I came in last night.

A.were; was
B.was; were
C.was; was
D.were; were

How and why Jack came to China _ not known. When and where to build the new library _ not been decided.

A.is; has
B.are; has
C.is; have
D.are; have

Now Tom together with his classmates _____ football on the playground.

A. are playing
B. plays
C. is playing
D. play

Two hundred and fifty pounds _____ too unreasonable a price for a second-hand car.

A.is
B.are
C.were
D.be