题目内容

抗菌素越贵越好（）

A. 对
B. 错

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I wonder if the psychologist will come to our school this weekend.If he_____ , we will be very excited.

A. come
B. comes
C. will come
D. came

It’s reported that some capsules(胶囊)are really bad for our health.Sounds terrible. Hopefully the problem _____ as soon as possible.

A. is solved
B. has solved
C. was solved
D. will be solved

Paper _____ first invented in China.

A. is
B. are
C. was
D. were

The Greens _____ China for five years.

A. has been in
B. have been in
C. went to
D. has gone to