заранее EXERCISE 4 Вставьте артикли, где это необходимо:

1. … tooth consists of a crown and one or more roots. … crown is …visible part, … root is … hidden part.
2. … tooth is composed of enamel, dentine, cementum and pulp.
3. Enamel is … hardest substance in the body.
4. Cementum is … outer covering of …root.
5. Dentine occupies … interior of the crown and root.
6. … vessels and … nerves of the pulp enter … root apex through the apical foramen.
7. … space occupied by the pulp is called … pulp chamber.
8. Every tooth is inserted into … jaw by its roots.
9. … part of the jaw containing the teeth is known as the alveolar process.
10. It is covered with … soft tissue called gum.
11. … tooth is attached to its socket in the jaw by … soft tissue called the periodontal membrane.

i was sleeping in my bed and dreaming about christmas : )

chose the right answer.

1

1.your flight is at time.

  c)at

2.we arrived london two days ago.

  b)in 

3.don't borrow friend.he hasn't got much.

a)from 

4.i've lent my .  

a)to 

5.i caught a cold friends.they hid my jacket and i had to go out without one.

  c)of 

6.my father smokes,but he wants to get this bad habit.

b)of 

2

1.mum learn to drive a car.her new job is in another town.

  c) has to

2. any sharp objects in their hand baggage.

a)can

3. the area code before this number.

  c)must

4.i'm busy today. go to the post office instead of me?

a)can 

i introduce myself? i'm edward steel.

a) may 

6.if the picks up the phone, tell her anything.she'll be upset.

  c) mustn't 

7.phone me tomorrow. hopefully, help you.

  b) will be able 

8.will i have to come tomorrow? -no, .

a) mustn't 

9. english.she lived in england for five years when she was a teenager.

  b) can't 

is he good at math?

was she there last year?

were they hungry when they arrived?

are you nice to work with?

is it pleasant to deal with him?

is this book hard to get?