He watched TV for an hour. At 8 o’clock he stopped _______ his homework.
A. do B. doing C. to do D. did
He didn’t go to bed _______ his mother came back.
A. until B. if C. as soon as D. when
It is ___________ to hold the water.
A. strong enough B. enough strong
C. too strong D. to strong
You must have breakfast, _________ you may have a stomachache.
A. or B. and C. but D. so
用括号中所给单词的适当形式填空。
1.The playground is always_____________ (cover) with the snow in winter.
2.These beautiful stamps are well worth __________ (collect).
3.We should keep the candle _________ (burn) for three minutes.
4.It can take __________ (thousand) of people to make a movie.
5.Sally prefers __________ (stay) at home to going out on Sundays.
根据句意及首字母提示或所给汉语意思写出所缺单词。
1.We decided to do the ____________ (实验) in the evening.
2.Please give me a c ____________ answer .
3.The mountains form a _______________(背景) to this photograph of the family.
4.Our team beat the other in the football m__________.
5.What the headmaster said at the meeting has a great ___________(影响).
