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

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

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

Ottawa is the capital．Every year millions of tourists go there to __22__ museums and take part in the cultural（文化的）activities．Toronto is the largest city of the country __23__ about 2.5 million people．Montreal is __24__ 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 __25__ white background．

15．--Is the girl ________ is interviewing the manager of that company your friend?

--Yes，she is a journalist from CCTV．

A．whom                 B．which                  C．who                       D．whose

Canada is the second largest country in the world．It is over 7000 kilometers from the __16__ coast（海岸）to the east．It __17__ six time zones．__18__ 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 __19__ the two main languages in Canada．About 60 percent of __20__ people speak English，and about 25 percent speak French．More __21__ 70 percent of its population live in cities near the US border（边境）．

14．Don't be afraid of asking for information ________ it is needed．

A．when                   B．after                    C．although                D．unless

13．I want to know ________ do to help my neighbor．

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

12．It's important ________ the piano well．

A．of him to play      B．for him to play        C．of him playing        D．for him playing

11．This kind of food ________ cool，clean and dry according to the instruction．

A．should be carried     B．must be put             C．should be placed      D．must be kept

10．--Have you mended your shoes，Bob?

--Yes，I ________ them twenty minutes ago．

A．have mended        B．mend                   C．had mended            D．mended