.
Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale．
| A．man has been | B．man is | C．has man been | D．will be man |
On a rainy day I was riding my bike to pick up my son ___ a terrible accident happened ahead.
| A．who | B．which | C．while | D．when |
— Do you know where Miss Gao is? I couldn’t find her anywhere.
— She ________ have gone far, for her coat is still here.
| A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
— If you like, I can do some shopping for you.
— That's a very kind_______.
| A．service | B．remark | C．suggestion | D．offer |
— Your mother won’t like this dress, you know.
— ________ I don’t care what she thinks.
| A．How come? | B．So what? | C．So why? | D．So how? |
The party last night was _______ success. We sang and danced until it came to _______ end at 12:00.
| A．a; an | B．a; the | C．the; an | D．/; an |