Do you have any doubt ------- a cure for AIDS will be found

问题描述:

Do you have any doubt ------- a cure for AIDS will be found soon?
that or if
1个回答 分类:英语 2014-10-04

问题解答:

我来补答
that
doubt vt.
怀疑; 不信; 拿不准(后接名词从句时,疑问句和否定句用连词 that,but,but that,肯定句一般用连接词 whether,if,what,when 等,如肯定句用 that,往往表示非常怀疑)
 
 
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