I. 单项选择（每小题1分，共10分）
( )1. ─______does your mother go to the supermarket?
─Once a week..
A. How B. How often C. How long D. How far
( )2. My father always makes me _______.
A. laughing B. to laugh C. laugh D. laughs
( )3. _______ milk is ________ your health.
A. Drinking, good for B. Drink, good at
C. Drinking, good at D. Drinking, good to
