题目内容
14.I doubt that the new one will be better.that 改whether/if.分析 我怀疑这个新的是否更好.
解答 答案:that 改whether/if.考查宾语从句的引导词.I doubt 表示"我怀疑",所以用whether/if引导的宾语从句,表示"是否".
点评 考查句子改错.
doubt的用法
1,doubt当动词时,在<肯定句>中后面可接if或whether.
在否定句及疑问句中可跟that从句.有时在<肯定句>中也能跟that从句,但其含义是"恐怕…不会".
I doubt if (或 whether) he will win.我怀疑他能否赢.
I don''t doubt that he will win.我毫不怀疑他会成功.
2,doubt of 表示对…抱怀疑或悲观态度.
The project began badly and we doubt of its further progress.这项工程开始就不顺利,我们怀疑能否继续进行.
3,no doubt后接that从句或介词of.
We have no doubt of your success.我们毫不怀疑你会成功.
There is (It is 误) no doubt that you will succeed.毫无疑问你会成功.
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