53. A. with         B. for             C. from           D. at

52. A. see          B. visit            C. look           D. find

51. A. up           B. over            C. about         D. than

50. A. their         B. his             C. its            D. our

49. A. are          B. is              C. will be         D. has been

48. A. Which       B. What           C. Where         D. When

47. A. is           B. had             C. has           D. have

46. A. west         B. east            C. south          D. north

    Ottawa is the capital. Every year millions of tourists go there to 52   museums and take part in the cultural（文化的）activities. Toronto is the largest city of the country 53 about 2. 5 million people. Montreal is 54 second biggest French-speaking city in the world.

    The maple leaf is the national symbol of Canada. The Canadian flag has a red maple leaf on a red 55 white background.