Can you [finish] [do] homework before 9:00 pm.俩个空该填,说出来给悬赏,要说理由.
问题描述:
Can you [finish] [do] homework before 9:00 pm.俩个空该填,说出来给悬赏,要说理由.
答
finish doing
can是情态动词,后面跟原形动词.即finish
finish 要求后面的动词用动名词,即doing
记住:finish doing sth