用be动词适当形式填空。
1. I  ____ an English teacher now.   
2. She ____ happy yesterday. 
3. They ___ glad to see each other last month.  
4. Helen and Nancy _____   good friends.   
5. Look, there ____ lots of grapes here.   
6. There ___a sign on the chair on Monday.

Peter _____ skipping.

A．likes

B．like

C．don't like

用所给单词的适当形式填空。
1. Lily is________ (she) good friend.
2. Tom________ (look) for his pen everywhere (到处). 
3. My sister________ (cry).
4. Let's go to the park________ (fly) a kite.
5. It's time________ (go) to bed.

What ________ you have? (  )

A．are

B．do

C．does

Jack ________ come back. (    )

A．don't

B．doesn't

C．isn't