A group of Chinese guests, who are the first ________ from the new agreement on tourism between China and Switzerland, were given a warm welcome in Geneva(日内瓦) last Saturday.
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A
benefited
B
benefiting
C
to be benefited
D
to benefit
推荐题目
— What made your skin look so terrible? — _______ to the sunlight for a long time.
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A
Because it was exposed
B
After being exposed
C
Being exposed
D
Exposed
Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.
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A
producing
B
having been produced
C
to be produced
D
produced
---- What do you think of the book ? ---- Oh excellent. It’s worth _________ a second time.
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A
to read
B
to be read
C
reading
D
being read
As a student, every minute should be made use of _______.
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A
study
B
to study
C
studying
D
studied
__ carefully if any change occurs when doing experiments in the lab..
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A
Observe
B
To observe
C
Observed
D
Observing