依次填人下列各句横线处的成语，最恰当的一组是（ ） ①学校足球队的守门员突然身体不适，我这个替补队员只得 ___________ ，上场守门。②当时中国革命的洪流势不可挡，其间难免有泥沙俱下、___________ 的现象。③北京潘家园文物市场有不少 ___________ 的赝品，如果没有专业的文物鉴别知识，就容易上当。

severely _____, the band insisted onplaying their music late at night as usual

— Is there any possible way to help the children get rid of such a bad habit? — To be honest, it’s very hard, but we ____ on this problem. [ ]

―The best time ______ Yangzhou is in spring.―Yes, I think so.

We will take _____ wants to go there for a sight-seeing .