He put forward a good idea gave us hope.A. thatB. whatC. that whatD. /

网友回答

(答案→)A. that
B. what
C. that what
D. /
解析：考查定语从句：句意：他提出一个好主意这给了我们希望。先行词是a good idea，定语从句中缺少主语，用that引导定语从句，因为是做主语的，所以that不能省略。选A。