— Where's Mr. Yu, do you know?
— Well, it's hard to say. But I saw him a football game just now.
A:is watching
B:watching
C:watches
汽车在平直的高速公路上匀速行驶,10s通过了150m的路程.汽车速度是( )
下面调查的是二(2)班学生最喜欢的课外书的情况。