52. I came home very late last night, _________ early this morning.

A. at least　　　　 B. on the whole　　　　 C. or rather　　　　 D. in a word

51. ----Can I get the camera at $ 100?

----- Sorry. It’s _____________ my power to sell it cheaper.

A.　 without　　　　 B. beyond　　　　 C. except　　　　　 D. against

50. ----- You ought to have given them some advice.

　 -----_________ but who cared what I said?

A. So I ought　　　　 B. so ought I　　　　 C. So I did　　　　　 D. So did I

49. I was intending to go at once, but _________ I decided to wait for a few days.

A. as a result　　　 B. on second thoughts　　　 C. right away　　　 D. so far

48. Most of our cells are _________ being replaced. Old cells die and new ones are formed.

A. continually　　　 B. continuously　　　　　 C. constantly　　　　 D. consistently

47. The Chinese people have found that the socialist system is _______to the capitalist one.

A. better　　　　 B. superior　　　 C. stronger　　　　 D. favorable

46. Please make sure the light will _________ if no one is in the room.

A. go out　　　　　　 B. turn off　　　　 C. put out　　　　 D. take away

45. ----- How about this kind of fruit?

----- Oh, this kind of fruit _____________ lots of Vitamin C and B.

A. remains　　　　 B. includes　　　　 C. contains　　　 D. holds

44. It is said that the old lady died _______.

A. happy　　　　 B. happily　　　　 C. happiness　　　　　　 D. of happiness

43. I’m sorry I missed the concert, but I was out of the town and couldn’t ________.

A. arrive there　　　　 B. make　　　　 C. make it　　　　 D. do it