____ it is winter in China, it is summer in Australia. (    )

A．What

B．When

C．Where

I’m excited________ we’re going to study lot of new things. (   )

A．but

B．so

C．because

The climate is getting from bad to worse people pollute the environment.  (   )

A．if

B．and

C．because

D．but

找出下列句子中错误的一项并改正。
【小题1】Whydo you shopping today? （______）______
A   B C
【小题2】I often read books butdo homework. （______）______
A B   C
【小题3】I usual wash myclothes. （______）______
A B    C
【小题4】That sounds like a lotsof fun. （______）______
A   B   C
【小题5】Whendo you do on the weekend? （______）______
A   B C

—Why do you like keeping pets? （   ）
—_____ they are cute.

A．Of

B．Because

C．As