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【题目】On average, there are 800 tornadoes in the US each year, _______ about 80 deaths and 1500 injuries.
A.cause
B.to cause
C.caused
D.causing

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【题目】The Chinese scientists claimed _______ a cure for the disease.

A. having discovered B. discovering

C. to have discovered D. that they discover

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【题目】Mr. Smith—our English teacher, is said ________ to England for holiday last week.
A.to return
B.returning
C.to have returned
D.having returned

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【题目】He likes helping others, _______ those who are in trouble.

A. in theory B. in favour

C. in particular D. in practice

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【题目】A quick review of successes and failures at the end of year will help _________your year ahead.
A.shape
B.switch
C.stretch
D.sharpen

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【题目】Across the painting, we can see a horse running high speed like a missile across the sky.
A.to
B.on
C.of
D.at

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【题目】If we virtual reality holidays, we wouldn't have any problems with the weather.
A.have
B.have had
C.had
D.would have

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【题目】The bell _______ the end of the period rang, interrupting our heated discussion.

A. to indicate B. indicating

C. indicates D. indicated

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【题目】Experts believe that television probably disappear in the future.
A.must
B.will
C.need
D.should

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【题目】Millions of people all over China TV when the spaceship landed safely.
A.were watching
B.are watching
C.watched
D.have watched

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