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1．The book is too difficult for them to read．（不失原意改寫）

The book is _________ _________ _________ _________ _________ _________ ________．

2．After he cleaned up the classroom，he went home．（不失原意改寫）

He _________ _________ home _________ he cleaned up the classroom．

3．He said，“I will visit the Summer Palace this summer” ．（不失原意改寫）

He said _________ _________ _________ Summer Palace this summer．

4．I really don't know what we should do next．（不失原意改寫）

I really don't know _________ _________ _________ next．

5．They are very interested in science．（改為感嘆句）

_________ _________ they are in science!

6．They will never see that again．（改為反意疑問句）

They will never see that again，_________ _________．

7．They have been collecting shells for 10 years．（就劃線部分提問）

_________ _________ _________ they been collecting shells?

8．I will give him a scarf if I go to the party．（就劃線部分提問）

_________ _________ you give him if you go to the party?

9．I think he started to play the piano two years ago．（就劃線部分提問）

_________ _________ _________ _________ _________ _________ to play the piano?

10．_________ _________ _________ __________ while you were taking photos?（根據(jù)答語寫出問句）

They were playing basketball．