08 Unit 3 Using language(备作业)-【上好课】2021-2022学年高一英语同步备课系列（外研版2019必修第一册）

必修第一册练习 Unit 3 Family matters Using language Ⅰ. 单句语法填空 1. Every few years, the coal workers _____________(have) their lungs X-rayed to ensure their health.   2. I know a little about Thailand, as I _____________ (go) there three years ago. 3. Hurry up, kids! The school bus _____________ (wait) for us!   4. —What time is it? —I have no idea. But just a minute, I _____________ (check) it for you.   5. —Dr. Jackson is not in the office at the moment. —All right. I _____________ (call) him later.   6. The real reason why prices _____________ (be), and still are, too high is complex, and no short discussion can satisfactorily explain this problem. 7. He _____________ (learn) English since he was 6 years old.   8. —Is Peter coming? — No, he _____________ (change) his mind after a phone call at the last minute. 9. The little girl is very happy, because she _____________ (sell) out all the flowers.   10. As you go through this book, you _____________ (find) that each of the millions of