1 . The beautiful and charming song has been heard________many times today.

A．to broadcast

B．being broadcast

C．broadcasting

D．broadcast

2 . The real art of conversation is not only to say the right thing at the right place but to leave ________ the wrong thing at the ________ moment.

A．unsay…tempted

B．unsay…tempting

C．unsaid...tempted

D．unsaid...tempting