摘要: ---Bob has gone to Australia, I hear. ---Oh, I wonder when he . A. has left B. leaves C. left D. was leaving
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What would have happened____, as far as the river bank?
A. if Bob has walked farther B. if Bob should walk farther
C. had Bob walked farther D. if Bob walked farther
查看习题详情和答案>>—Bob has gone to California.
—Oh, can you tell me when he ?
A. has left B. left C. is leaving D. would leave
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