题目内容：

Rewrite the following sentences as required（据所给要求，改写下列句子。每空格限填一词）

1.Your father used to ride a bike.（改为反意疑问句）

Your father used to ride a bike, _____ _____?

2.We must keep the noise under 50 dbs（分贝）.（改成被动句）

The noise must _____ _____ under 50 dbs.

3.Mike doesn’t like classical music. Billy doesn’t either.（合并成一句）

_____ Mike _____ Billy likes classical music.

4.Miss Guo does some exercise three times a week.（对画线部分提问）

_____ _____ does Miss Guo do some exercise?

5.Jack went to Beijing to visit his friend at the end of last month.（对画线部分提问）

_____ _____ Jack go to Beijing at the end of last month?

6.When will they leave for Beijing? They haven’t decided.（改成宾语从句）

They haven’t decided when _____ _____ leave for Beijing.

7.make, fun, it, is, snowy, on, a, snowman, to, day（连词成句）

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