50. Do you know ________ your parents are pleased _________ you’ve done?

A. why; for what 　　　　　　　　　　　　 B. how; with what　 　　 C. that; with which 　 D. how; for what

49. They have no idea at all _________.

A. where he has gone 　　　　　　　　　　　　　　　　　　　　　　 B. where did he go

C. which place had he gone 　　　　 D. where has he gone

48. We don’t know ______.

A. this is whose dictionary 　　　　 B. whose dictionary is this

C. whose dictionary this is 　　　　　 D. whose is this dictionary

47. Can you tell me _______ get to the railway station?

A. how can I 　　 B. what I can 　　 C. how I can 　　 D. where I can

46. It is generally considered unwise to give a child_______ he or she wants.

A. however 　　　 B. whatever 　　　 C. whichever 　　 D. wherever

45. I really don't mind much ________ they came to visit me or not.

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

44. He wanted to make sure __________.　　　　　　

A. how we went there by bus　 B. where did we go

C. what did we go there　　　　 D. when we went there

43. This old computer must have been of great use to _______ did the scientific research.

　 A. those　 　　　　 B. when　 　　　　 C. whoever　 　 D. whomever

42. --- Do you know _____ Mr. Black’s address is.

　 --- He may live at No. 18 or No. 19 of Bridge Street. I'm not sure of _____.

　 A. what; which B. where; which 　　　　　　　　　　　 C. where ; what 　　 D. what; where