重点句型 1. have trouble with sth. /in doing sth.做某事有困难:I used toget high marks in English, but now_ I’ m having a lot of troublewith my listening(我的听力有很多问题). 2.动词＋+疑问词＋to do结构: l can't keep all the new vocabularystraight in my head, and l certainly can'tremember how to use(记住如何使用) them all properly.