完形填空。 Canada is the second largest country is the world. It is over 7,000 kilometres from the __ 1__ coast to the east. It __ 2__ six time zones. __ 3__ it is 9 a. m. in Vancouver on the west coast,it is 1:30 p, m. in St John's on the east coast. English and French __ 4___ the two main languages in Canada. About 60 percent of __ 5  _ people speak English, and about 25 percent speak French. More ______ 6 _ 70 percent of its population live in cities near the US border (边缘). Ottawa is the capital. Every year millions of tourists go there to __ 7__ museums and take part in the cultural activities. Toronto is the largest city of the country __ 8 ______ about 2. 5 million people. Montreal is __ 9 _ second biggest French-speaking city in the world. The maple leaf (枫叶) is the national symbol of Canada. The Canadian flag has a red maple leaf on a red __ 10 _ white background (背景). (     )1. A. west (     )2. A. is (     )3. A. Which (     )4. A. are (     )5. A. their (     )6. A. up (     )7. A. see (     )8. A. with (     )9. A. a (     )10. A. or B. east B. had B. What B. is B. his B. over B. visit B. for B. an B. and C. south C. has C. Where C. will be C. its C. about C. look C. from C. the C. but D. north D. have D. When D. has been D. our D. than D. find D. at D. 不填 D. however