номер 4 и 5 они связаны сделать

2 The phone won't work, if you not take a phone charger

3 If put on sun cream, you won't get burnt

4 If you don't wear headphones, your parents will be angry

5 if we don't buy a tickets soon, we won't get a cheap flight

Объяснение:

1) Our house was painted by us last week.

1) A lot of houses have been ruined by the storm in the village.

2) The course paper is being done by students at the moment.

3) The salad is made with eggs, onions and mayonaise.

4) The door will be closed by the guard after the lesson.

5) The TV was being watched at 6 p.m. at home.

6) The letter can be written tomorrow.

7) A man was seen running out of the bank.

8) The postcards haven't been written yet .

9) Our car will be repaired on Saturday.

10) Had the pizza been ordered?

11) Our furniture won't be delivered until Monday.

Covers the central part-занимает центральную часть
different from-отличаетсяиз-за
main mountain chains-основные горные цепи
called-называемые
history-современные история
began struggle for independence-начали борьбу за независимость
border on-граничит с...
1. the central part of north america
2. about 9,328,000 square kilometres
3. is about 265 million people
4.is different from state to state
5. by the pacific ocean in the west and the atlantic
6.the cordillera in the west and the 206
7.to the north of the country,on the border with canada
8.in 1607,when colonizers established the first permanent english settlement in jamestown,virginia
9.in 1861
10. is alaska
11.is the president
12.washington,dc
3.     1.surrounding
         2. surrounds
         3.connected
         4.has connected
         5.development