摘要： .He busy yesterday, or he you with your experiment. A was, had helped B was , would have helped C. had been, would had helped D had been, would help
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He ______busy yesterday,or he______you with your experiment.
A.was;had helped
B.was;would have helped
C.had been;would have helped
D.were;would have helped
查看习题详情和答案>>He ___________busy yesterday, or he __________you with your experiment.
A. was; had helped B. was; would have helped
C. had been; would have helped D. were; would have helped
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He _______ busy yesterday, or he _______ you with your experiment.
A. was; had helped B. was; would have helped
C. had been; would have helped D. were; would have helped
查看习题详情和答案>>