3. Fill in the gaps with the correct form of the verbs in brackets.( Use the Present Perfect or Present Perfect Continuous) 1. The police (go) after a robber for over an hour.
2. We never(buy) things at the flea market.
3. The waiters already (serve) steamed fish.
4. Vegetables (boil) for 30 minutes.
5. We (try) to find tickets for the concert for three weeks.
6. My sister (write) her new book for the last two months.
7. She (not/read) this book yet.
8. You look tired! you (work) all day?
9. I (not / eat) Chinese food yet.
10. How long you (study) English?

Canada is the second largest 1.country in the world 
It 2. is situated in the northern part of the North American continent.
Its total 3. area is 9,975,000 square kilometers.
Canada 4.is washed by three oceans - the Pacific, the Arctic and the Antlantic.
Canada's 5. name comes from an India word kanata, which means "village".
When the area came under the British rule in 1897 the new country 6 was called the Dominion of Canada or simply Canada 
This country has a small 7 population only about 27,300,000 people.
There are two official 8 languages in the country English and French.
The 9 capital of Canada is Ottawa 
Canada's 10 Motto From Sea to Sea is appropriate because its surrounded by three oceans.

The largest cities of the country are London, Birmingham, Liverpool, Manchester, Glasgow and Edinburgh. The territory of Great Britain is divided into four parts: England, Scotland, Wales and Northern Ireland. England is in the southern and central part of Great Britain. Scotland is in the north of the island. Form of government: unitary state, constitutional monarchy, Parliamentarism. The Great Fire of London was a majorconflagration that swept through the central parts of the English city of London from Sunday, 2 September to Wednesday, 5 September 1666. The fire gutted the medieval City of London inside the old Roman city wall. It threatened but did not reach the aristocratic district of Westminster, Charles II's Palace of Whitehall, and most of the suburban slums. It consumed 13,200 houses, 87 parish churches, St Paul's Cathedral, and most of the buildings of the City authorities. It is estimated to have destroyed the homes of 70,000 of the City's 80,000 inhabitants.