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更新 2022-09-03
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挑错有奖

___ we know some basic knowledge concerning AIDS, we can protect ourselves from being infected.

A．If only

B．Even if

C．So long as

D．Unless

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The bridge built ten years ago __________ the island __________ the mainland.

A．connects ； to

B．connecting ； with

C．is connected ； to

D．connected ； by

题型：未知
难度：未知

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The bus __________ passengers outside the airport.

A．gives up

B．picks up

C．turns up

D．eats up

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难度：未知

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—Is the dentist at work?
—I'm sorry to tell you he is on __________.

A．an enough holiday long

B．a long enough holiday

C．a holiday enough long

D．a long vacation enough

题型：未知
难度：未知

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—Peter's rarely ill,__________ he?
—__________. He is quite healthy.

A．is；No

B．isn't； Yes

C．has；Yes

D．hasn't；No

题型：未知
难度：未知

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The Smiths felt __________ about their daughter who had gone to the clinic for three hours.

A．anxiously

B．anxious

C．eagerly

D．painful

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难度：未知

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