The company had about 20 notebook computer but only one-third____used regularly. Now we have 60 working all day long.

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

The book cost me 12 yuan in all, postage _____.

A. included　　 B. including　　 C. includes　　　 D. is included

I suppose that you ar one of the best students in your grade, _____?

A. don’t you 　 B. do I 　 C. aren’t you 　 D. are you

The dance performed by the disabled actors is really a hit, but years ago no one _______ they were to achieve such great success.

　 A. must have imagined　　　　　 B. could have imagined

C. should have imagined　　　　　　 D. would have imagined

—Why were you not at the concert last night？

— I _________a close game between Seattle Sonics and Miami Bucks.

　　　　 A．watched　　 B．had watched　 C．was watching　 D．have been watching

The children talked so loudly at dinner table that I had to struggle ______.

A．to be heard B．to have been heard　 C．hearing D．being heard

________is often the case with elder people，my grandma talked about my new hairstyle for at least 50 minutes nonstop.

A．That 　　　　　　B．Which　　　　　 C．As 　　　　　　D．It

The manager has a decision ______ whether they should borrow money from the bank．

A．making　 　　 B．to be made　 C．made　 　　　　　 D．to make

Mary felt herself _____________________ (被迫采取行动) to defend herself. (force,take)

Rose couldn’t concentrate ______ what she was doing ______her family were watching TV.

A. to; when　 B. on; while　 C. for; when　 D. in; while