why not do sth 等于why dont you do sth 为什么后面要加动词原形呢不是to do 呢 请
why not do sth 等于why dont you do sth 为什么后面要加动词原形呢不是to do 呢 请
why not 是加to do sth. 还是 动词原形
22题,不是有why not to do sth why don't you do sth
why not后加do还是to do?why don‘t you 后面呢?
why not后面是doing sth还是 to do sth
why not do sth
why not +do sth
why not doing sth还是why not do sth还是why not to do sth
why not do sth.=why don't you do sth.还等于什么
why not to do sth对吗?waiting
求8下期中的英语的语法 比如 try not to do sth.why not +动词原形 等等
why dont sb.do sth.同义句