----- What does Canada export?---- A large quantity of wheat_____ sent away.
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A
is
B
are
C
have
D
is being
推荐题目
Right now the writer and manager_____busy preparing for the following meeting.
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A
is
B
Are
C
was
D
were
The government has made laws to protect animals，so the number of the endangered animals ________ in recent years.
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A
had grown
B
grew
C
has grown
D
is growing