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课时提升作业(十六)
必修4 Unit 1
Ⅰ. 单项填空
1. When I was twenty, I had to drop out before graduation and work in a clothes shop to help my family.
A. supply B. support C. suppose D. stop
2. Some people do not normally when they are worried.
A. believe B. conduct C. behave D. react
3. (2013·太原模拟)The parking rules in public places should be strictly, otherwise you will get a ticket.
