On Monday and Wendesday,we have________on the playground.A.sport B.sports C.a sport D.some sport

问题描述:

On Monday and Wendesday,we have________on the playground.A.sport B.sports C.a sport D.some sport
应该选B吧,但为什么不是A呢?

have sports=do/play sports做运动have sports是固定搭配吗?那是不是不能说have sport?