—Look! Is that Mr. Green?
—It          be Mr. Green. He has gone to Shanghai.

—Hello!  Is that Mr. Jiang ?

—No ,he_____   Guiyang .He will be back in more than two weeks.

A. goes         B. went       C. has gone to    D. has been to

--Is that Mr. Green?

---No, Mr. Green is an ___________ man. But this man is only about _________.

—Look! Is that Mr. Green?

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

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