A. had decreasedB. decreasedC. has been decreasingD. is……

单项选择题—Hi, Torry, can I use your computer for a while this afternoon —Sorry.（）.

A. It's repaired
B. It has been repaired
C. It' s being repaired
D. It had been repaired

单项选择题—I wonder why Mary is so unfriendly to us. —She is（）than unfriendly, I' m afraid.

A. shyer
B. much shyer
C. shy more
D. more shy

单项选择题Both teams were in hard training;（）was willing to lose the game.

A. either
B. neither
C. another
D. the other

单项选择题A notice was（）in order to remind the students of the changed lecture time.

A. sent up
B. given up
C. set up
D. put up

单项选择题Many people believe we are heading for an environmental disaster(灾难)（）we radically (根本地) change the way we live.

A. but
B. though
C. unless
D. in case