We are all for your proposal that the discussion .
A. be put off
B. was put off
C. should put off
D. is to put off
网友回答
(答案→)A. be put off
B. was put off
C. should put off
D. is to put off
解析：在advice，demand，order，request，suggestion，proposal，requirement，remendation等名词后的表语从句和同位语从句中，谓语动词用“(should＋)动词原形”。