问题
选择题
| — Where's Mr. Green? — Oh, he ______ Canada. |
A. has been to B. has gone to C. went to D. was in |
答案
答案：B
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| — Where's Mr. Green? — Oh, he ______ Canada. |
A. has been to B. has gone to C. went to D. was in |
答案：B
