Asweknow,youwon’tgobacktotheUS

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更新 2022-09-03
科目英语
题型单选题
难度容易
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----- As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America?
----- For almost 10 years．

A．did you study	B．have you studied
C．were you studying	D．have you been studying

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The hotel ____ me ＄50 for a single room during one night.

A．took

B．cost

C．charged

D．paid

题型：未知
难度：未知

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Little ______ that we were watching his every move，so he seemed to be going his own way in this business.

A．did he know

B．he didn't know

C．didn't he know

D．he knew

题型：未知
难度：未知

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When the woman was told that her husband had a car accident, her mind _____.

A．ended up

B．made sense

C．blocked out

D．went blank

题型：未知
难度：未知

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Color-blind people often find it difficult to _____ between blue and green.

A．compare

B．separate

C．distinguish

D．divide

题型：未知
难度：未知

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Scientists say it may be five or six years ______ it is possible to test this medicine on human patients.

A．before

B．after

C． since

D．when

题型：未知
难度：未知

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