l have no doubt -----he will finish the task in time.A.whether B.that C.if D.what
热心网友
BThere is no doubt thatI have no doubt thatI doubt whether/ifI have some doubt whetherThere is some doubt whether主句是否定句用that主句是肯定句用whether/if ( 同位语从句中不能够用if)例如:There is no doubt that he will finish the task in time. There is some doubt whether he will finish the task in time. I doubt whether/if he will finish the task in time.
热心网友
B固定搭配
热心网友
在宾语从句中，若doubt一词作“怀疑”解接宾语从句时，主句为肯定句用whether或if，主句为否定句或疑问句用that，例如：I doubt whether he will come soon.I do not doubt that he will come soon.Do you doubt that he will come soon?注意：下面这个例句中doubt的含义为“认为……未必可能”。I doubt that he will come.综上所述，选择B