摘要： Bob has studied very hard at his lessons recently so that he can be sure of passing the coming exam on his first . A. intention B. attempt C. purpose D. desire
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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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