50.The truth　　 　　 　the factory would break down made all the workers shocked.　

　 A. of which　　　 　 B. that 　　　　 C. about that　　　 D. what

49. The parents were pleased by _____ the son told them about his work.

　　 A. that　　　　　 B. what　　　　 C. whether　　　　 D. which

48.We finally found out 　　 　to him.

　 A. what had happened　　 　　 　　　B. what has happened

　 C. which took place　 　　 　　　 　　　D. what has been taken place

47.That is　　　 　　 　he failed to arrive on time.

　 A. where　 　　 B. whether　　 　　 C. why　 　　 　　　D. when

46.　 　　 　he has been getting on well with his studies makes all of us happy.

　 A. Which　 　　 B. How 　　　　 C. What 　　 　　　D. That

45.We are wondering　　 　　 　　　 　our teacher will come to the party or not.

　 A. if　 　　 　　　B. that　 　　 　　　C. why　 　　　　 D. whether

44. Please remind me　　　　　 he said he was going. I may be in time to

　　　 see him off. ( 06全国I )

　　　 A. where　　　 B. when　　　　 C. how　　　　　　 D. what

43.The news　 　　 　he died in the battle has got round in the village.

　 A. that　　　 　　　 B. which　　 　　 　C. what 　　　　 D. this

42.He ran back into the room to see if he　　 　　 　　　 　anything behind.　

　 A. has forgotten　 B. had forgotten　 C. has left　　 　　 D. had left

41. The town is no longer ______ it was ten years ago.

　　 A. which　　　　 B. that　　　　　 C. what　　　　 D. when