用动词适当形式填空。
1. Listen! Who___________(sing) in the room?
2. ---Where is your father?
---He___________(fix)the clock now.
3. It’s 8:00. The Greens______________(watch) TV.
4. Look! Some children________(clean) the classroom.
5. ---_______your brother_______(play) basketball every day?
---No, just on weekends.
6. My brother can’t_______(play) chess.

What are you ____?（   ）

A．do

B．doing

C．does

The dog _______. (   )

A．barking

B．is barking

C．bark

用单词的适当形式填空。 
1.I went to the bookstore and _______ (buy)a new book yesterday. 
2.Did you _______ (row) a boat last weekend? 
3.Look, ZhangPeng is_______ (play) football. 
4.Chen Jie is going to make _______ (she)mother a birthday card. 
5.I would like a new pair of _______ (shoe)for my birthday.

The children are ______ ______ in the library.