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.

Miss Li and her students _______ a lesson. （ ）

A．having

B．is having

C．are having

Mary is _________the piano in her room. ( )

A．play

B．plays

C．playing

看图，根据首字母提示，填写正确的单词：Look, the baby is c____________.

She’s just ________ there. (   )

A．stands

B．standed

C．stood

D．standing