l used to smoke.(改否定句) l ---- ----to smoke.

问题描述:

l used to smoke.(改否定句) l ____ ____to smoke.
l used to smoke.(改否定句)
l ____ ____to smoke.
1个回答 分类:英语 2014-11-11

问题解答:

我来补答
used not
used to do sth.的否定形式是used not to do sth.
 
 
展开全文阅读
剩余:2000
下一页:绘图