The news that volunteer workers will go to homes for the aged ______ now.

       A．is being talked about                             B．are being talked about

       C．is being talked                                      D．are being talked

―Mike, what did our monitor say just now?

―Every boy and every girl as well as teachers who       to visit the museum       asked to be at the school gate before 6:30 in

the morning.

       A．is; is                   B．are ; is                 C．is; are                 D．are; are

She is one of the         workers who          praised yesterday．

      A．woman,was         B．women，were      C．woman，were        D．women，was

He has written several books, but his last works _____ well known among his friends.

A. have             B. have been            C. is                D. are