Be quiet children. The weather report and your mother wants to listen.A. is broadcastB.

问题补充：

Be quiet, children. The weather report and your mother wants to listen.

A. is broadcast

B. is being broadcast

C. has been broadcast

D. had been broadcast

答案：

A. is broadcast

(答案→)B. is being broadcast

C. has been broadcast

D. had been broadcast

解析：考查时态。根据句意，让孩子安静，妈妈想听天气预报，所以说明天气预报正在被播报，因此要用现在进行时，而且表被动。进行时的被动语态的结构是：be being done所以答案选B。