摘要： It Jack twenty minutes the math problem yesterday. A. took; to work out B. takes; worked out C. has taken; work out D. is taking; working out
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It ____ Jack twenty minutes ____ the math problem yesterday.
A. took; to work out B. takes; worked out
C. has taken; work out D. is taking; working out
查看习题详情和答案>>It ____ Jack twenty minutes ____ the math problem yesterday.
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A．took; to work out |
B．takes; worked out |
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C．has taken; work out |
D．is taking; working out |
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