- Look, it be Jack who is at the gate of the library. - It be him. He has gone a
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— Look, it _____ be Jack who is at the gateof the library.
— It _____ behim. He has gone abroad.
A. may; must B. must; mayn’t C.must; can’t D. can; mayn’t
试题答案
【答案】
C
【解析】 略