3.　　　 来自北美各地的牛仔们聚在一块比赛骑野马。

Cowboys come from all over North America __________________ riding wild horse.

2.　　　 那天夜里，他们睡着了，火车在很夜里穿越，越过苏必李尔湖，穿过大森林，朝南向多伦多飞驰着。

　That night, they slept as the train ___________the night _____ the top of Lake Superior, ____ the great forests and southwest ____ Toronto.

1.　　　 那天下午，表姐妹俩才在火车上落了座。

That afternoon in the train, the cousins _______________ in their seats.

1.　　　 Vancouver is _____________by mountains on the north and east and the Pacific Ocean on the west.

2.　　　 In fact, the population of Canada is only __________over thirty million.

3.　　　 The fact that there will be an earthquake ___________many people .

4.　　　 ____________,they could see the misty cloud that rose from the great Niagara Falls, which is on the south side of the lake.

5.　　　 China is a ____________________like Canada.

6.　　　 It’s too bad you can’t go _____________Ottawa, Canada’s capital.

7.　　　 As they sat in a café _________________ the broad river, a young man sat down with they.

8.　　　 The cousins are not ___________________the Atlantic coast.

19．稍稍；轻微的 ___________________　 20。使恐怖；恐吓_________________

17．成千上万只羊 ____________________　 18。包围；围绕___________________

15．上千平方公里大小 _______________　 16。这些鸡蛋中的三大_____________

13。多文化的国家____________________　 14。直飞。。。去___________________

11．在黑夜里穿行___________________　 12在进行比赛中 __________________　　　　　

9．眺望 ____________________________　 10。离。。。很近___________________