表语从句可以省that吗?

宾语从句可以省,但是不可以省略引导词that的情况有：当that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;当宾语从句较长时;当主语状语置于主句尾,宾语从句之前时;当主语谓语动词...