题目内容
—Can Mr. Brown spare some time for the charity now?
—If he ________, he will try his best to make it .
A. is invited B. will be invited C. invites D. invited
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题目内容
—Can Mr. Brown spare some time for the charity now?
—If he ________, he will try his best to make it .
A. is invited B. will be invited C. invites D. invited