题目内容

Television sometimes has a negative ______ on children.

A. affect
B. effect
C. perfect
D. defect

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If I______ free, I _______ swimming.

A. was, will go
B. was, would go
C. were, would go
D. were, will go

Let us go shopping , _______?

A. shall we
B. will you
C. do you
D. do we

You must have been to the Great Wall,____________?

A. mustn’t you
B. haven’t you
C. aren’t you
D. must you

—It is a lovely day, isn’t it ? ---Yes,______?

A. isn’t it
B. it is
C. it isn’t
D. is it

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