問題詳情：
—May I speak to John?
—Sorry, he__________ Japan. But he__________ in two days.
A. has been to; will come back
B. has gone to; will be back
C. has been in; would come back
D. has gone to; won’t come back
【回答】
B
知識點：動詞時態
題型：選擇題
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