需要15分钟。It _______ ________ fifteen minutes _______ ______ ______ school by bike.我们花了3个小时到达了那里。It _______ ________ three hours _______ _______ there.3.英语中表示“花费”的表达： （1）sb spend时间/金on sth sb spend时间/金 (in) doing sth （2）sb. pay money for sth pay-paid-paid（3）sth. cost (sb.) +money (注意： cost的主语一定是物，过去式是cost。) （4）It takes/took sb. some time to do sth 4.be used for doing=be used to doEg.衣服用来保暖。Clothes ______ ______ _______ keeping warm.= Clothes ______ ______ ______ keep warm..落实练习：用适当的介词填空：1.______ finishing my homework, I went to bed2.We can’t live _________ water or air.3.I’m writing to ask _______ some inf |
