题目内容

In my opinion, some of the news _____ unbelievable.

A. are
B. is
C. has been
D. have been

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When ______ the United Nations founded?

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

Every possible means _____ .

A. has tried
B. has been tried
C. was tried
D. were tried

What she says and does _____ nothing to do with me.

A. was
B. were
C. has
D. have

There _____ a dictionary and several books on the desk.

A. are
B. must
C. have been
D. is

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