17. He often asked me the question ________ the work was worth doing. A. whether 　　　　　　　　　　 B. where 　　　　　　　 C. that 　　　　　　　　 D. when

16. The nurses are trying their best to reduce the patient's fear ________ he would die of the disease. A. that 　　　　　　　　　　 B. as 　　　　　　　　　 C. of which 　　　　　 D. which

15. The order ________ the prisoner be set free arrived too late. A. which 　　　　　　　　 B. whether 　　　　　 C. that 　　　　　　　　 D. what

14. The thought ________ he might fail in the exam worried him. A. when 　　　　　　　　　 B. which 　　　　　　　 C. what 　　　　　　　 D. that

13. I've come from the government with a message ________ the meeting won't be held tomorrow. A. if 　　　　　　　　　　　 B. that 　　　　　　　　 C. whether 　　　　　 D. which

12. His suggestion ________ the meeting be delayed was turned down. A. which 　　　　　　　　 B. that 　　　　　　　　 C. / 　　　　　　　　　　　　　　 D. it

11. The fact ________ she works hard is well known to us all. A. that 　　　　　　　　　　 B. what 　　　　　　　 C. why 　　　　　　　　 D. which

10. I have no idea ________ she gets on with her classmates.

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

9. The demand ________ the workers ask for higher wages seemed reasonable.

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

8. We have received news ________ Grant may have left the country.

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