1. The boy's mother usually walks to the office. (改为同义句)
    The boy's mother usually goes to the office _____ _____.
2. Mr. Turner bought the car three years ago. (改为同义句)
    Mr. Turner _____ _____ the car for three years.
3. This story excited me most. (改为同义句)
    _____ _____ stones could make me so excited.
4. What do you think of the book Harry Potter? (改为同义句)
    _____ do you _____ the book Harry Potter?
5. You must hand in your history homework by the weekend. (改为被动语态)
    Your history homework _____ _____ _____ _____ by the weekend.

A. instead of
B. because of
C. in front of
D. at the end

A. at the back of
B. behind
C. in front of
D. far from

A. by car, on her bike
B. by a car, on her bike
C. by cars, by bikes
D. by his car, by bike

[     ]

A. ride the bike
B. on bike
C. on the bike
D. by my bike

A. In　　　
B. For　　　
C. With　　　　
D. Because of

A. between, and
B. between, or
C. and, between
D. or ,between

A. next
B. next to
C. between
D. of

A. At a time
B. In fact
C. First of all
D. All together

A. Thank to
B. Thanks
C. Thanks to
D. Thank for