题目内容
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.
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