Who ____you？（ ）

A．is

B．are

用所给词适当形式填空。   
1. Tom and Mary ___________ (come) to China next week.
2. Mike _________________ (like) playing basketball.
3. Mary can __________ (read) English book at home.
4. When _________ (be) their birthday?
5. Why___________ (do) Mike like summer?
6. Which season ___________ (do) you like?

填空题。
【小题1】__________ (be) there many trees in this forest in the past?
—Yes, there __________ (be). But now there __________ (be) not many trees.
—__________ people __________ (plant) more trees in the future?
—I don't know.
【小题2】They __________ (plant) trees tomorrow.
【小题3】We __________ (visit) the farm next week.
【小题4】We're going to __________ (have) a picnic in the park.
【小题5】When are you going to __________ (play) chess?

You ____ good at music. ( )

A．is

B．are

C．be

Tim and Pat __________talking about a class survey. （   ）

A．is

B．are

C．can