–Why did the policeman stop you?
–He told me not ______ so fast in this street.
A. drive B. driving C. to drive D. Driven
Mary ______ her homework when her mother got home yesterday.
A. does B. did C. is doing D. was doing
I often ______ my grandparents at weekends.
A. visit B. visited C. will visit D. have visited
–______ did you pay for the CD?
– Only 10 dollars.
A. How many B. How much C. How long D. How often
I knew______ about the car accident because I was in the library at that time.
A. something B. anything C. nothing D. everything
I think Lesson Five is ______ of the three lessons.
A. difficult B. more difficult
C. most difficult D. the most difficult