She cannot answer this question【 at once】 but can
已帮助 人
She cannot answer this question【 at once】,but can find the answer to it from that book.
A. early
B. now
C. immediately
D.soon
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答案:C
句意为:她不能立刻回答这个问题,但是可以从那本书里找到答案。early意为“早”, now意为“现在”,soon意为“很快”,at once意为“马上”,immediately意为“马上”。
