you must ---your homework on sunday.a.finish b.finished c.fi

问题描述:

you must ___your homework on sunday.a.finish b.finished c.finishing d.to finish
1个回答 分类:英语 2014-11-09

问题解答:

我来补答
选A
must是情态动词,情态动词后面加动词原形.
 
 
展开全文阅读
剩余:2000
上一页:周五
下一页:责任的事实论据