The writer and actor ____ invited to give us a report yesterday.
A. are
B. have been
C. was
D. were
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The rest of the magazines ______ within half an hour.
A. is sold out
B. are sold out
C. was sold out
D. were sold out
The rich______ not always happy.
A. are
B. is
C. will
D. may
翻译:不止一个学生曾经去过北京。(more than one)