There ______ two brown dogs behind the door. （    ）

A．is

B．are

C．have

The camels________ very tall. (   )

A．are

B．is

--What    your hobbies? (  )
--I like dancing and    .

A．are;sing

B．is;singing

C．are;singing

What _______ a magic stone? ( )

A．is

B．were

C．are

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?