--Where' s Mr Green? --Oh he Canada.A. has been toB. has gone toC. went toD. was in

问题补充：

--Where s Mr Green? --Oh, he Canada.

A. has been to

B. has gone to

C. went to

D. was in

答案：

A. has been to

(答案→)B. has gone to

C. went to

D. was in

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