Unit4 Healthy Living单元同步练****
一、单项选择
1. He's not a perfect child. He sometimes talks back his parents talk with him.
A. if B. before C. when D. until
2. I'll go to visit my aunt in England the summer holidays start.
A. while B. since C. until D. as soon as
3. You must make sure your tea is not too hot you drink it.
A. before B. after C. since D. while
4. I didn't believe he could drive he told me.
A. once B. while C. since D. until
5. I still can't understand this English article I have read it for three times.
A. because B. even though C. so D. if
6. --- Why are you late for school?
--- I overslept.
A. So B. Because C. Because of D. Since
7. Tom didn't go to school yesterday he was ill.
A. as B. so C. because D. while
8. Ben was busy taking a training class, we had to wait for him for half an hour.
A. so B. if C. or D. but
9. There are no buses, you'll have to walk.
A. so B. or C. but D. for
10. Aunt Li is heavy, she still eats lots of meat every meal.
A. Though B. Because C. Whether D. If
11. Switzerland is very small,