5. The girl doesn’t know which book she should choose.(改为同义句) 

The girl doesn’t know.

4. I have already watered the plant.(改为一般疑问句) 

you the plant yet?

3. They are leaving in an hour.(对画线部分提问) 

 are they leaving?

2. Tom Sawyer is fantastic.(对画线部分提问)

 Tom Savoyer ?

1. I've already cleaned my bedroom.(改为否定句)

I my bedroom .

5. I am so interested in the book that I can't.

   A. put it down   B. put down it

   C. put it out   D. put it on

4. —I an English-Chinese dictionary.

一When you it?

—Yesterday afternoon.

   A. have bought;did;buy

   B. buy;do; buy

   C. have bought;will;buy

   D. buy;have;buy

3. Have they finished their homework ?

   A. too   B. yet   C. already   D. either

2. I will come to see you again five days.

   A. after   B. later   C. behind   D. in

1. The film is very moving. I it twice already.

   A. will see   B. see

   C. saw   D. have seen