【单选题】

A、lot of students are having all kinds of sports on the sports fielD、

A、ball game is going on right now (41) Class 3 andClass 4.Can you (42) me which team is winningDo you see many people over there Some students ofClass 1 are practicing the (43) jump. One of them is the best high jumper in the school. He practices (44) every day. He wants to (45) the school record at the sports meeting next spring. Not far away, some girls are getting ready (46) a race. Now on the corner of the field, you can see another group of students. Their teacher is telling them (47) to throw discus. We students love sports. Sports (48) to keep people healthy. They help people to live happily, and to know each other (49) playing games on the sports field, It can (50) people become good friends.

[A] to [B] for [C] with