Module 8 Time off
一. 单项选择：
1. — How did you finish the work so quickly?
—The computer helped me. It’s really _______ useful machine.
A. a B. an C. the D. one
2. The teacher told us yesterday that December 25th _______ Christmas Day.
A. is B. was C. has been D. will be
3. Help ______ to some fruit and vegetables, children.
A. you B. your C. yours D. yourself
4. Let the children go away. They are making too much _______ here.
A. noise B. voice C. noisy D. sounds
