Unit 12 Life is full of the unexpected. 第三课时 Section A(Grammar Focus4c) 单元同步语法精讲精练 一、根据句意 ， 用括号中所给单词的适当形式填空。 1 Mr. Black _(teach) English for ten years before he came to our school. 2 When I got to school ， I realized I _(leave) my homework at home. 3 By the time I arrived at the cinema， the movie _(begin). 4 Michael said he _(live) in this city for five years. 5 The pen I thought I _(lose) is on my desk， right under my nose. had taught had left had begun had lived had lost 二、按要求完成下列各句。每空一词。 6 L
