I've got to finish doing my homework on time.  (   )

A．time enough

B．enough time

C．times enough

D．enough times

It's a _______kite. (   )

A．my

B．the

C．new

用所给单词的适当形式填空。
【小题1】Water is very________(use).
【小题2】We use wood________(make) chairs.
【小题3】Trees help________(keep) the air clean.
【小题4】________(protect) the Earth, we should________(save) water.
【小题5】Look! They________(do) a project.
【小题6】Please tell________(they) about Christmas.
【小题7】He starts________(sing).

This is an ______  game. I feel ______ . ( )

A．exciting; excited

B．excited; exciting

C．funny; exciting

Zhang Peng is a ________ boy. (   )

A．Chinese

B．China

C．chinese