He cannot answer this question 【at once】 but can

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He cannot answer this question 【at once】,but can find the answer to it from that book.

A.soon

B.immediately

C.now

D.early

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  • 答案:B

    at once“马上”,immediately“马上”,例如:It’s getting late.We must go back home immediately.越来越晚了,我们得马上回家。soon“很快”,例如:We’ll have lunch soon.我们很快就要吃中午饭了。now“现在”,例如:If we leave now we’ll be there before dark.如果我们现在就离开,在天黑前就到那里了。early“早”,例如:Mary gets up very early.玛丽起得很早。