A.did；set　B.had done；should be set
C.should do；be set　D.had done；must be set
5.I suggested there ______be a kind of language all could understand and use ______.
A.can；it　B./；/　C.would；it　D.may；/
6.The suggestion has been made______the basketball game______put off.
A.for；to　B.that；be
C.which；should be　D.to；being
7.The order came that the medical supplies______to Beijing for the Sars soon.
A.would be sent　B.should send
C.be sent　D.must be sent
8.It is important that we______wild animals.