．Joining us in the program today __________Mr. Smith, together with his wife. Welcome to our program.
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was
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are
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is
D
were
推荐题目
_____________ they _____________ playing basketball?
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Are, like
B
Do, like
C
Do, liking
D
Are, likes
The boy, rather than his friends, _________ for the accident.
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are responsible
B
were responsible
C
be responsible
D
is responsible
The factory used 65 percent of the raw materials, the rest of which _______ saved for other purpose.
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is
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are
C
was
D
were
According to the statistics, listening to loud music at rock concerts ______ hearing loss in some teenagers in the past 2 decades.
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have caused
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caused
C
had caused
D
has caused
Listening to loud music at rock concerts _____ caused hearing loss in some teenagers.
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is
B
are
C
has
D
have