It isn't quite _____ that he will be present at the meeting. A. sure B. right C. exact D. certain 答案:D. certain 解析: I 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.关于欧洲西部旅游景点的说法,正确的是( )A.英国的峡湾风光引人入胜B.伦敦的艾菲尔铁塔令人景仰C.南部地中海沿岸国家的海滨沙滩优美宜人D.芬兰的花卉尤其是郁金香闻名世界