一、单项选择
（ ）1. My mother goes to work after ________ breakfast.
A. have B. having C. to have D. will have
（ ）2. Don’t throw the paper away. I’m going to _______ it and use it again.
A. make B. move C. send D. save
（ ）3. Miss Gao is going to work in Shanghai for _______.
A. a year or two B. two years and one
C. a year or two years
D. one and two years
