A group of children hide and seek in the garden.A. is playingB. are playingC. has been pl

问题补充：

A group of children hide and seek in the garden.

A. is playing

B. are playing

C. has been playing

D. was playing

答案：

A. is playing

(答案→)B. are playing

C. has been playing

D. was playing

解析：考查时态及主谓一致。句意：一群孩子们正在花园玩捉迷藏。结合语境可知描述的是现在正在进行的动作，故用现在进行时态，主语为复数形式，故谓语动词用复数形式。选B。