The cola is ________, too.（   ）

A．fall

B．falls

C．falling

He is __________ football. ( )

A．plays

B．playing

C．play

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.

Now, it’s _______ at the station. (   )

A．stops

B．stoping

C．stopping

看，他们正在踢足球：Look! They are___________(walking /playing) football.