单项选择1.the student( )an important word in this sentence.A.left B.missed C.lost D.felt
2.you'd better ( ) out.
A.not to go B.not go 因为C、D完全不可能所以就不发上来了
3.she's not feeling well.you ( ) a doctor
A.had better to call B.had better call C、D不发了