日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

--Listen! Tom is singing in the next room.

--It _______ be Tom. He has gone to Shanghai.

A. may            B. must            C. mustn’t         D. can’t

--Is the man standing outside the teacher’s office Mr. Zhou?

    --No, it ______ be him. He has gone to Hong Kong for an academic conference.

     A. mustn’t           B. can’t            C. needn’t         D. couldn’t

—Look! Is that Mr. Green?

—It          be Mr. Green. He has gone to Shanghai.

A．must             B．can              C．mustn’t          D．can’t

---Look!It _______ be Mr Zhang .
---No,it _______ be Mr Zhang. He has gone to Paris .

The man       be my English teacher . He has gone to Canada

A. might       B. must       C. can' t