你会用这些短语？    英语中，除了有些动词后面 使用动词时要用动词的ing形式，也就是动名词。有些动词短语后面也要用动词的ing形式。比如，give up、set about、insist on、put off、can't help、think of、think about、be used to、be worth、prevent…from… 、have trouble in .. 、feel like 等。这些短语需要牢记，试着做做下面的题。 1. People couldn't help___ the foolish emperor. A. laugh at B. to laugh at  C. laughing at D. laughing on 2.- What are you going to do this afternoon? - I'm thinking of____ to visit my grandpa in Shanghai. A. go B. going C. having one D.my going 4. I didn't feel____ going out for a walk. A.so B.as C. rather D. like 5. Did you have any trouble___ the post office? A.to have found B. with finding C.to find D.in finding 答案:1C 2B  3D 4D