The twin brothers have many similar 　　　　　　 (特征).

I want to leave now; I can’t ________ nothing useful here.

A. stand to do　 　 B. stand doing　 　 C. stand being done　 　 D. stand to be doing

I knocked over my coffee cup. It went right over_______ keyboard.

　 —You shouldn’t put drinks near _______ computer.

A．the, /　　　　 B．the, a　　　　 C．a, /　　　　　　 D．a, a

——Do you mind if I smoke?

　 ——____

A、Why not?　 B、Yes, help yourself　 C、Go ahead　 D、Yes, but you’d better not

People have _____ views on the policy published recently, because not everybody is in favor of it in the survey(调查).

A. excited　

B. surprised　

C. frightened　

D. mixed

1.      I hope there are enough glasses for each guest to have __________.

A. it B. those C. them　　　 D. one

The hostess told us it was ____ that caused her to serve dinner an hour later than usual.

　　A. our being late B. our late C. we were too late D. that we were too late

They make an effort to collect hairs, fibers, dried blood and other things that may prove _____ to the case.

 A. similar             B. accessible           C. available        D. relevant

This is the ______ bag ______ lost yesterday, but it’s not mine.

A. same; as 　 B. same; that　 C. very; that 　 D. such; as