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- Is that a pencil-box?- No, . [ ]A. it is B. it isn't C. is D. It's

编辑:chaxungu时间:2026-04-23 22:01:08分类:小学英语题库

— Isthatapencil-box?
— No, __________.[ ]A.itis
B. itisn't
C.is
D.It'sB