一、单项选择。（15分）
( ) 1. — ____ wrong with him? — He ____ a backache.
A. How’s; have B. What’s; have C. What’s; has D. How’s; has
( ) 2. The doctor said he ____ take any medicine.
A. needn’t to B. didn’t need to C. needed to D. didn’t need
( ) 3. Well, if you take this medicine ____, you’ll be better soon.
A. third time one day B. three times a day C. third time a day D. three times every day
