一、单项选择（共20小题，每小题1分，满分20分）
A. 从A、B、C三个选项中选出与划线部分意思相同或相近的选项。
1、We are playing a joke on him.
A. kid B. kidding C.are kidding D.are kid
2、You must be more careful in future.
A.in the future B.from now on C. from then on D. now
3、I’m running as fast as I can.
A. so fast as I can B. as fast as possible
C. as fast as I possible D. as soon as
