Unit 1 Topic 1（Grade Nine）Unit 1 The changing world变化中的世界Topic 1 Our country has developed rapidly我国发展迅速Section A1a：（After a long holiday, Kangkang is happy to see his friends.） be happy to do sth.很高兴做某事（长假过后，康康很高兴会见到他的朋友们。）have a good time 玩的愉快 have a good summer holiday暑假过得愉快Hi, Jane! Did you have a good summer holiday?你好，简，你暑假过得愉快吗？（这句话是一般过去时的一般疑问句，do 过去式did）英语中“What about.?”是一句常用的客套话，它后面可接名词、代词或动词-ing形式。它的功能可不少呢！ 一. 询问情况或打听消息。如： 1. Id like a cup of tea. What
