【单选题】【消耗次数：1】
He ____ have left the campus, for I saw in the classroom just a minute ago
①
mustn’t
②
shouldn’t
③
couldn’t
④
oughtn’t
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—Where is John? I couldn’t find him.— .
①
He is very busy
②
I suppose he could have gone to the meeting room
③
I couldn’t agree more
④
He is good.
【单选题】
There was so much noise in the classroom that the teacher couldn’t make himself _______.
①
heard
②
hearing
③
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④
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【单选题】
____ by this, he couldn’t say anything.
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2.I couldn’t understand why he pretended ______ in the bookstore.
①
to see me not
②
not to see me
③
not see me
④
to see not me
【单选题】
5. Without your help, I couldn’t ______ the details ______.
①
work…at
②
work…out
③
work…on
④
work…up
【单选题】
They talked in whispers, but still, I couldn’t help but __________ their conversation.
①
overhear
②
to overhear
③
overhearing
④
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That young boy couldn’t move because he _______ his leg.
①
breaks
②
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③
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随机题目
【多选题】
19世纪 30 - 40年代爆发的三大工人运动说明了
①
无产阶级反对资产阶级的斗争进入新阶段
②
无产阶级成为一支独立的政治力量
③
无产阶级与资产阶级的矛盾上升为主要矛盾
④
无产阶级已经由自在的阶级变为自为的阶级