Scientistsarehopingforainthese

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更新 2022-09-03
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Scientists are hoping for a _____ in the search for a cure for cancer.

A．breakthrough

B．break

C．deal

D．progress

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On the next birthday.Annmarried for twenty years.

A．is

B．has been

C．will be

D．will have been

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难度：未知

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In the last few years thousands of filmsall over the word.

A．	have produced	B．	have been produced
C．	are producing	D．	are being produced

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----Just a moment . I haven’t finished packing my suitcase.
---- .Its high time we left for the airport.

A．Go ahead

B．Take it easy

C．Hurry up

D．That’s fine

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We feel our duty to make our country a better place.

A．it

B．this

C．that

D．one

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难度：未知

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Some insects________the colour of their surroundings to protect themselves.

A．take in

B．take off

C．take on

D．take out

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