摘要： They spent as many hours as they could their lessons. A. to study B. studying C. study D. studied
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They spent as many hours as they could _____ their lessons.
[ ]
A. to study
B. studying
C. study
D. studied
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B. studying
C. study
D. studied
They spent as many hours as they could _____ their lessons.
A. to study B. studying C. study D. studied
查看习题详情和答案>>They spent as many hours as they could _____ their lessons.
A. to study B. studying C. study D. studied
查看习题详情和答案>>