do badly in=fail
fail to do=?
fail in sth..fail to do sth.啥意思?
fail to do sth=?
fail in the test=don't do well in the test吗?
They do badly in the exams =They don't do________ ______the
fail的几种用法fail in sthfail in doing sthfail to do sthfail sth
fail to do sth和fail in doing sth的区别
fail to do与fail (in) sth有什么区别啊
fail后可接to do sth吗,不是接fail in doing sth?为什么?
do badly in中,为什么副词放在动词后面?
fail和fail in用法
never fail to do