题目内容

We ____ busy all the time.

A. are
B. is
C. am
D. am not

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Shanghai ____ in the east of China.

A. lies
B. lie
C. lied
D. tell lies

He ____in a French’s college.

A. works
B. is
C. are
D. should be

Catherine ____ English every day.

A. have studied
B. studies
C. are studying
D. study

The red book ____ three dollars and twenty cents.

A. sell
B. costs
C. buys
D. has