题目内容
—Is Lucy knocking at the door?
—No. It ______ be Lucy. She is in Japan now.
—No. It ______ be Lucy. She is in Japan now.
[ ]
A. needn't
B. mustn't
C. can't
D. shouldn't
B. mustn't
C. can't
D. shouldn't
C
练习册系列答案
相关题目