造句，英语，20几句！

15、It seem as if nothing have happen.好像什么事也没有发生过似的。16、Sometimes , I wish I could phone him and ask for his opinion !有时我真希望能给他打个电话问问他的意见。17、Twice weekly I go swimming.每星期我去游泳两次。18、Your article is a bit long for our paper.你...