摘要： -Bob didn’t pass this exam. -He . A. should study hard B. should have studied hard C. should be studying hard D. study hard
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— Bob didn't pass this exam.
— He _____.
— He _____.
[ ]
A. should study hard
B. should have studied hard
C. should be studying hard
D. study hard
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B. should have studied hard
C. should be studying hard
D. study hard
— Bob didn't pass this exam.
— He _____.
— He _____.
[ ]
A. should study hard
B. should have studied hard
C. should be studying hard
D. study hard
查看习题详情和答案>>
B. should have studied hard
C. should be studying hard
D. study hard