—Is Lucy knocking at the door? —No. It ______ be Lucy. She is in Japan now. [ ]A. needn't B. mu
[ ]
题目简介
—Is Lucy knocking at the door? —No. It ______ be Lucy. She is in Japan now. [ ]A. needn't B. mu
题目详情
—No. It ______ be Lucy. She is in Japan now.
[ ]
B. mustn't
C. can't
D. shouldn't
答案