同位语从句练习1. The fact _ she works hard is well known to us all. A. that B. what C. why D. which2. The fact _ he was successful proves his ability. A. that B. what C. which D. why3. The news _ he was kidnapped surprised us greatly. A. what B. that C. why D. when4. His suggestion _ the meeting be delayed was turned down. A. which B. that C./ D. it5. I have no idea _ he will start. A. when B. that