Афанасьева, Михеева, Баранова, 7. Учебник. Unit 3. Step 10

1c, 2a, 3c, 4b.

1c, 2—, 3a, 4d, 5b.

1) suddenly;
2) education;
3) treeless;
4) colourful;
5) unpleasant;
6) lovely;
7) buildings;
8) sandy.

1) broke;
2) has just driven;
3) gave;
4) have written;
5) visited;
6) have already finished;
7) has not read;
8) did you travel;
9) have you done, did you do.

1) Canada in the north and Mexico in the south.
2) The Rockie Mountains in the west and the Appalachian Mountains in the east.
3) In the north of the US/ in the south of Canada.
4) The Mississippi River.
5) It flows south.
6) It is the hottest, the driest and the lowest place in the country.
7) Because it is unusually deep and very beautiful.
8) The Niagara Falls.
9) To the east of the Rockies in the centre of the country.
10) The White House, the Capitol.
11) The Aborigines.
12) In the 18th century.
13) Canberra.
14) In the southeast and the south of the continent.
15) The hot months are December, January, February and the cold months are June, July and August.
16) —.
17) —.
18) Melbourne, Sydney, Perth, Canberra.
19) —.