4.2 Discovering Useful Structures -2022-2023学年高一英语上学期课后培优分级练（人教版2019必修第一册)

姓名： 班级 Unit 4 4.2 Discovering Useful Structures 一、基础巩固 1.单句语法填空 1．These old people have experienced all kinds of (suffer) in their difficult times． 2．They treat me as if I (be) a stranger． 3． (trap) in the ruins, the girl still held a positive attitude． 4．I’m (shock) at his determined attitude towards this matter． 5．It rained for two weeks on end, completely (ruin) our holiday． 6．Around 540 million people (affect) by second­hand smoke, which causes 100，000 deaths per year． 7． (bury) under the ruins, the little girl was rather frightened． 8．Though (suffer) such a heavy loss，the boss didn’t lose the courage to go on with his business． 9．The earthquake was so big that most of the houses in the small village were completely (destroy)． 10．When it was my turn to express my opinion, I was nervous to say a word． 答案：1.sufferings 2.were 3.Trapped 4.shocked