题目

It isn't quite _____ that he will be present at the meeting.A. sure       B. right       C. exact       D. certain   答案：DI am sure that +从句。He is sure to come. = He is certain to come.但在it作形式主语, that引导主语从句时, 主句中表语只能用certain, 不能用sure。16．听录音，填单词，补全下列句子．---Where is the hospital？---It's behind the略．