从方框内选择最佳选项完成对话，有两项多余。

　　Betty：Hi,Tony．What are you up to?

　　Tony：I'm making a model of the space station．　　1　　

　　Betty：It's great!I can't imagine you are so clever．

　　Tony：Thank you．

　　Betty：　　2　　

　　Tony：It's for my space travel homework．

　　Betty：Oh,I see．　　3　　

　　Tony：Don't worry．Miss Li wants it next month．You have enough time to finish it．

　　Betty：　　4　　

　　Tony：For about three days．

　　Betty：Is it hard?By the way,how do you know so much about space?

　　Tony：A little hard,but it is interesting．　　5　　

　　Betty：May I borrow your book?

　　Tony：Of course．I'll give it to you tomorrow morning．

1．________

2．________

3．________

4．________

5．________

句型转换。

Jack has been to London．(改为一般疑问句)

________ Jack ________ to London?

句型转换。

I have read ten books so far．(对画线部分提问)

________　________ books have you read so far?

句型转换。

－Where is he?(根据问句进行回答)

－He ________　________ to the teachers'office．

句型转换。

He has been to America．(改为否定句)

He ________　________ to America．

句型转换。

We have already had breakfast．(改为一般疑问句)

________ you had breakfast ________?

用所给动词的正确形式填空。

－________ Chinese people ________(send)astronauts to space recently?

－Not yet．

用所给动词的正确形式填空。

I ________ just ________(hear)the news．I am very happy．

用所给动词的正确形式填空。

－________ she ________(write)a letter to her grandma yet?

－No,she ________(write)it this evening．

用所给动词的正确形式填空。

－________ you ever ________(read)the book Busihess at the Speed of Thought?

－No,I ________(read)it tomorrow．