题目内容：

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

1.My friend and I do exercise twice a week.（改为一般疑问句）

__________ your friend and you __________ exercise twice a week？

2.I have already finished the test paper.（改为否定句）

I __________ finished the test paper __________.

3.Johnson denied cheating in the competition.（改为反义疑问句）

Johnson denied cheating in the competition, __________?

4.The elderly man pushed the small ducks into the river.（改为被动句）

The small ducks __________ into the river by the elderly man.

5.The story needs to be funny to keep the readers interested.（对画线部分提问）

__________ __________ the story need to be funny？

6.Meaningless information is difficult for the little boy to remember.（保持原句意思不变）

__________ is difficult for the little boy __________ remember meaningless information.

7.teach, a kid, to solve, a problem, is, the way, to, helpful, very（连词成句）

_____________________________________________________