【题目】We have only one earth. We should ____ and take actions to protect it.
A.stop to pollute
B.stop polluting
C.to stop to pollute
D.to stop polluting

---Sure.That’s exactly the same with mine, which is true.

A. right B. false C. interesting

【题目】—Can you cook, Jenny?
—No, I can't. Well, I can cook eggs. But.
A.that's all
B.that's all right
C.that's true
D.this is all

A． suitable for her B． is suitable to me

C． suits her D． suit me

【题目】We have sweatersall colors$50 each.
A.as; at
B.for; of
C.in; at
D.on; of

【题目】Can you give me? We have none in our classroom.
A.chalk
B.a chalk
C.some chalks
D.a piece of chalk

A. little B. a kind of C. kind of D kinds of

【题目】Simon wanted to study abroad， but his mother asked him to ______.
A.think of it
B.think it of
C.think it over
D.think over it

【题目】It is dangerous to make the little boy ____ at home by himself.
A.stay
B.staying
C.to stay
D.stayed

【题目】Many girls likeskirts in summer.
A.wearing
B.dressing
C.in
D.putting on