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.

爸爸问你正在做什么，你可以回答：(   )

A．I will do my homework.

B．I play football.

C．I'm reading books.

The boys are______________ under the tree

A．have a picnic

B．having picnic

C．having a picnic

Are they _______ fast? (    )

A．run

B．running

C．runs

D．running

Everyone ____ to their teacher in the classroom. （ ）

A．are listening

B．is listening

C．listen