看图，补全对话。
【小题1】
—What _________ _________ doing?
—We are _________ _________.
【小题2】
—What is he doing?
—He is doing the _________ _________.
【小题3】
—Are you playing volleyball?
—________, we __________.
【小题4】
—What are they doing?
—They are ________ the _________.
【小题5】
—Are they playing badminton?
—_________, they _________.

Look! Li Lei_______.（ ）

A．is run

B．ran

C．is running

D．run

用所给动词的适当形式填空。
1. The little boy wants _________(eat) a big apple now. So please_______ (bring) one to him. 
2. Tom often_________(go) to school at 7:00. Now, he________   (take) a taxi.
3. --- ______She_____( write) to her friends on Sundays?
---Yes, now she________  (write) a letter now.  
4. ---Where _______Mr. Black usually_________(run)?
---In the park. Now, he__________ (run) in the neighborhood.

It’s six o’clock in the evening. Helen ________ her homework. (  )

A．doing

B．do

C．is doing

Fill in the blanks with proper verbs (用所给动词的适当形式填空)
1. His sister ________ (climb) onto the desk.
2. The pet cannot _________ (drink) the water.
3. Look! The sheep ________________ (eat) leaves. They are hungry.
4. Where _____ ( be ) you, Dad? Mum needs your help.
5. Joe wants to __________(be) a vet. He likes animals. 
6. Let’s ________(go) fishing this Sunday afternoon.