Complete the text with the affirmative, negative or question form of the verbs in brackets. Your body b (prevent)
harmful microorganisms entering and causing harm. The skin, for
example, c (allow)
microorganisms to enter. Hairs and mucus in your nose
d (catch)
invaders, and then you
e (push)
the mucus out when you
cough, sneeze or blow your nose. Enzymes and acids in the body, and white blood cells also
f(destroy)
bacteria
g (help)
- antibiotics
? Doctors h (use)
antibiotic drugs to fight inacterial infections, but antibiotics i (work)
against viruses. This is why doctors i (give)
antibiotics to patients with a
common cold or ſu
How k (work)
immunization
.? Immunization
(or vaccination) is another way of protecting the body, by injecting the body with dead or
inactive microorganisms. After vaccination, the body I (start)
to make
antibodies that destroy the microorganism. Because the microorganisms in the vaccination are
not dangerous, the person m (get).
ill. When they
n (come)
into contact with a live (dangerous) micro organism, then the
antibodies o (destroy)
the infection before it makes them ill.
плз,
She says she will come to my party.
They say they often write dictations.
He says I can ask him any questions.
She says my friend phoned her yesterday
They say they invited me to the party.
They say they have cleaned their room
She says she will be ready in a few minutes.
He says he will tell me everything.
She says she have finished her work.
Jerry offers to carry the box.
The teacher asks not to move the chairs.
Mrs Taylor asks not to go there by car.
Mother asks to invite all my friends to the party.
Granny asks to buy some bread.
Nina asks to answer the telephone.
David asks not to cry.
Tom asks not to ask him any questions.
Mother orders to go home.
Granny asks not to buy any oranges.
2. One more guest is expected to come for the conference
3. All the texts was looked through yesterday
4. He said that Helen's letter had been received the day before
5. The children have been just taken to the theatre by the teacher
6. The poem had been learned by everybody by the last lesson
7. The essay will be handed next Wednesday
8. At the last competition the prize was won by our team
9. The question will be settled as soon as they arrive
10. I hope the invitation have been already accepted by everybody