Waste paper shouldn‘t everywhere.It‘s our duty to keep our city clean.
问题描述:
Waste paper shouldn‘t everywhere.It‘s our duty to keep our city clean.
A be thrown B throw C is thrown D are thrown
Do you have any problems if you this job?--Well,I‘m thinking about the working day
A offer B will offered C are offered D will be offered
叫=教一下为什么这样做
答
1 A 含有情态动词的被动语态 :情态动词+ be + 动词的过去分词.
2 c ( 从句中的一般将来时用一般现在时代替,排除B与D,根据句意是被动语态:
情态动词不受人称和数的影响,常见的人 can / could ,may / migt,must ,should 等
如果不明白,请再问;如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,情态动词是什么啊!!!情态动词不受人称和数的影响,常见的人 can / could , may / migt, must , should 等谢谢!!