一．单项选择。
( ) 1. What should I get my mom _______ her birthday?
A. for B. on C. at D. in
( ) 2. Why don't you ________ a camera? That’s too cheap.
A. got B. get C. gets D. getting
( ) 3. What’s the best gift John ________ ever received?
A. have B. has C. had D. having
