He ______ busy yesterday, or he ______ you with your experiment.
A.was; had helped | B.was, would have helped |
C.had been; would have | 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 | D.were; would have helped |