The world has a big headache and it _______ by money. It began in America last year.
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A
cause
B
causes
C
is caused
D
are caused
推荐题目
Great changes _______ in our country since 1990.
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A
were taken place
B
took place
C
have taken place
D
have been taken place
Mr. Smith, together with his sons, _____ supper at 7 o’clock yesterday evening．
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A
was eating
B
were eating
C
was eat
D
were eat
This famous tower has a long history. It ______ more than 300 years ago.
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A
builds
B
built
C
is built
D
was built