We have to go there by plane. It is faster than by train. The underlined part means ________.（   ）

A．by underground

B．by train

C．by ear

D．by air

连词成句
1. is, he, who ?
____________________________
2. works, zoo, a, he, in.
____________________________
3. your, does, what, father, do?
_____________________________
4.is, me, and, this.
_____________________________
5. does, he, what, do?
_____________________________

判断句子与所给译文是（T）否（F）相符：I’m going to Hainan.我要去海南。（_____）

Before winter comes, most of butterflies travel ________ the cold weather ________ the warm weather. (  )

A．from; to

B．from; and

C．to; from

当你遇到难题时，妈妈会鼓励你说：（   ）

A．Don’t worry. You are clever.

B．Go to school, please.