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句型36：Help oneself to... Help yourself to some fish. 吃鱼吧！
句型37：used to do I used to read this kind of story books. 我过去常读这种故事书。
句型38：borrow ... from I borrowed a Qisu English book from him. 我从他那借了一本奇速英语书。
句型39：lend sb. sth. / lend sth. to sb. He lent me a story book / He lent a story book to me. 他借了本故事书给我。
句型40：have been to Have you ever been to Haw aii？你曾去过夏威夷吗？
