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

Rod is determined to get a seat for the concert________it means standing in a queue all night.

A.so that　　　　　 B.however　　　　 C.even though　　　 D.as if

Wang Lin was told about a health care project that provides treatment at half the cost ___,

______ the needs of the patient.

A. or less, depended on　　　　 B. or so, depending on

C. or more, depended on　　　　 D. or less, depending to

----- What made you so upset?

----- ______ my new bike.

A. Lost 　 B. Losing　 C. Because of losing 　 D. Since I lost

The professor came into the lecture hall, _________ (陪伴)by some assistants.

Progress ____ so far very good and we are sure that the work will be finished on time.

A. was　 　　　　 　B. had been　　 C. has been　 　 　 D. will be

As we all know, the heart and lungs are man’s important ________（组织）.

24．Don't always think of punishing these prisoners; you should do your best to ________ them.

A．return B．rebuild C．restore D．reform

My father bought some 　　　 （纪念品）on his travel to Dalian.?