题文
---- Is that Mr. Green?
--- Impossible. He has gone to America. It ------be him.
| A.could | B.must | C.can`t | D.might |
---- Is that Mr. Green?
--- Impossible. He has gone to America. It ------be him.
| A.could | B.must | C.can`t | D.might |
试题篮
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