首页 > 英语 > 题目详情
It'syourduty__theclassroom___.Atokeep,cleanBtokeep,cleaningCkeep,cleanDforkeeping,clean
题目内容:
It's your duty__the classroom___.A to keep ,clean B to keep ,cleaning
C keep,clean D for keeping ,clean优质解答
A 保持教室干净整洁是你的义务. 此处是It 做形式主语的用法 It is .+to不定式 同时keep+sth+adj.形式中宾语补足语应该为形容词adj.形式
C keep,clean D for keeping ,clean
优质解答
本题链接: