一. 单项选择（共15小题，每小题1分，计15分）
选择可以填入空白处的最佳选项。
( )1. — What’s matter?
— A car is in way.
A. a; a B. /; the C. the; a D. the; the
( )2. Lily thinks young people can learn how to care for others keeping pets.
A. at B. in C. by D. on
( )3. Look! playful the boy is! He is jumping up and down with excitement.
A. What B. How C. What a D. How a
