We shall meet ________ the school gate.[ ]
A. in
B. through
C. at
答案：C
正数的绝对值是______，负数的绝对值是它的______，0的绝对值是______．
改错。
( ) 1. There is a missed button in the shirt. Can you have it checked?
A B C
( ) 2. My jeans split at the seams yesterday. It made me really embarrasing.
( ) 3. The shirt is stained. I'm going to have it dry-clean.
( ) 4. Look at the girl in red over there. It must have been Lily.
( ) 5. Mr. John wasn't at his office yesterday. He might go on business.
