He asked me _____I had been to Japan.为什么不能填when?Whether

He asked me _____I had been to Japan.为什么不能填when?Whether Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 He asked me ________ she would come back soon.为什么中间要填whether 1he asked me whether ibeonged to a human race he asked me whether these islands--to China “Have you ever been to桂林?"he asked me.==>He asked me( ) Uncle Wang asked me where my father had been and what he had He had something to write down and asked me for (). when i asked him he(refused)(denied)to tell me 选哪个,为什么 He asked his doctor to tell him whether his operation had be he wrote a letter to me___ that his trip to japan had been p 为什么he said,''did you see him last night变为he asked me whether