I. Use to where necessary.
1) You mustn’t go there. It’s not safe.
2) Doctors say we should___ eat more vegetables.
3) I may do this test next lesson.
4) Can I use your bike?
5) She has buy a new phone.

II. Fill in must/ mustn’t.
6) You go to bed very late.
7) You sleep at the lesson.
8) You look after your pet.
9) You eat ice-cream in a shop.
10) You tidy your room.

III. Fill in: have to/ has to/ don’t have to /doesn’t have to.
11) You wash the dishes after dinner.
12) Tom cook breakfast. His mum does it.
13) They phone me. I know everything.
14) She is too lazy. She work harder.
15) I stay in the office all day because I have a lot of work.

IV. Fill in the modal verbs: can, can’t, may, must, should
A) – Sir, 16) I come in?
- No, you may not. You are late. You 17) come to class earlier.

B) – Tom, 18) you help your mother now?
- Yes, dad. By the way, I always help her. I know that children 19) help their parents.

C) – Jane, your granddad is ill. He is in hospital. You 20) visit him. 21) you do it today?
- No, mum, I 22). I’ll go there tomorrow.

1.Skateboarding started in California in the 1950s. The first skateboards were made from roller skates attached to a board(информации про автора нет).Іkateboard is only needed to ride, perform tricks and "attract the attention" of girls passing by.

2.The first similarities of sneakers appeared at the end of the XVIII century, when shoes with a sole made of rubber spread. After a century, the history of sports shoes stepped forward twice: the Englishman Joseph Foster invented the first studded shoes, and the American Rubber Company created the first sneakers with a rubber sole and a fabric upper.We need sneakers beacouse it is very comfortable and exclusive.

3.The most ancient instruments, resembling a guitar, date back to the 3rd millennium BC.The form of today's classical guitar belongs to the Spanish master Torres, who lived about 120 years ago.Guitar is needed to play various melodies on it.

1 Is Buckingham Palace next to St. James's Palace?

Yes,it is.It is next to St. James's Palace and next to Piccadilly Circus.

2 Is St.Paul's Cathedral to the west of Tower Bridge?

Yes, it is.It is to the west of Tower Bridge and to the west of Tower of London, where Crown Jewels are on display.

3 Is the National Gallery with paintings of famous artists not far from Trafalgar Square?

No, it isn't.It is not far from Trafalgar Square and it is to the north of the River Thames.

4 Is Westminster Abbey to the west of the Houses of Parliament?

Yes, it is.It is to the west of the Houses of Parliament and to the west of Tower Bridge.