用所给的动词适当形式填空。
1. We are ____ (play) ping-pang.
2. What are they ______ (do)?
3. They ______(be) playing badminton
4. I ______(be)______(play) tennis.

用所给词的正确形式填空
1. _____________ this your jacket? (be)
2. _____________ he live on the second floor? (do)
3. _____________ she go to bed late last night? (do)
4. _____________ you know the girl in the pink skirt? (do)
5. _____________ there any pupils in the playground? (be)

Ken and I  in a spaceship.

A．were

B．was

C．had

_____ you happy?（　　）

A．Is

B．Are

C．Am

Mike and his grandpa  a great time in the forest .

A．were

B．was

C．had