题目内容
3. They ought to leave the baby alone.(改为否定句）
They__ leave the baby alone.
3. oughtn’t to
根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。
A： 1.
B ： It’s difficult for me to breathe.
A: How long have you been like this?
B： 2.
A: Since last week? That sounds terrible!
B ： The chemical factory produces terrible gas. The bad air makes my chest hurt. Please read this article.
A： 3.
B ： It’s about air pollution in China. Today，air pollution has become a serious problem.
A： 4.
B ： I think we should do everything we can to protect the environment.
A： 5.
( ) 2.—Which do you prefer,a CD player or a walkman?
— . I prefer a portable computer.
C. None D. Neither
( ) 3. —Remember TV before you leave home.
—OK,I will.
A. to turn on B. to turn down
C. to turn off D. to turn up
( ) 3. Lucy Lily comes from the USA.
A. Both... and
B. Not only...but also
C. /... and
D. Both... or
2. Be quick. You’ll miss the train.
( ) 5. —Have you ever been to a country where
Chinese ?
—No,I haven’t.
A. doesn’t speak B. isn’t spoken
C. won’t be spoken D. didn’t speak
1. Please remember to (关掉）the lights when you leave your room.
1. It’s important to study science and t .
