Open the brackets. The atoms of a few rare elements gradually (to break down) by themselves.

student than Lucy

in / economy / why / market / competition / exist / a / does / free /?
bad / the / of / twentieth / was / a / time / the / for / beginning / century / trade /.
monopoly / supply / when / there / and / is / a / the / / not / normal / of / demand / do always / laws / work /.
the / have / in / rules / the / WTO / trade / to follow / countries / the / same / all /.
truly / there / a / free / in / economy / is / world /anywhere / market / the /?

Population (mean) _______ the number of people who live in a particular area. The population of the world (not stay)_________ the same. At the moment it _______ (grow) at an increasing rate. ln fact, scientists d (believe) that the world population will increase until 2200, and then stop growing. However, things are not the same in all parts of the world. At present in many Western industrial countries the population (fall)___________. This (happen) ________ because families are small, and health conditions are good. In developing countries, on the other hand, the population (rise) ____sharply. In Ghana, for example, most families (have)______several children. Many children in Ghana(die)_____ from illness, so it is important to have lots of children. They earn money for the family and (look after) ______their parents in old age.
Complete the text with it or there in each space.
Tropical forests grow near the Equator where ____ is warm and wet. ______are only two seasons, rainy and dry. ______ is normally 20-25°C in a tropical forest and _____is only a drop of about 5°C in the coldest months. _____is a lot of rain, on average more than 200 cm per year._____ is poor soil, and ____ is difficult for plants on the forest floor to develop, as tall trees (25-35 meters) block the light. ______are many plants, birds, animals and insects. _____are different kinds of tropical forests with different kinds of trees. ______ depends on the temperature and the amount of rainfall.

house. There 2 __________ (live) a cat in that house too. The mice 3 _____________ (be) afraid of the cat but they 4 _________ (not know) what to do. So one day they all 5 ________ (come) to an old clever mouse & 6 ________ (begin) 7 ____________ (talk) about the cat.

“What 8 __________ (can) we do?” they 9 ___________ (say). “The cat 10 _______ (kill) us all.”

Suddenly one little mouse 11 ___________ (say), “Let`s put a bell round the cat`s neck & we 12 _________ (hear) it.”

They 13 _________ (be) all very glad and they 14 ________ (begin) to dance.

Suddenly the clever old mouse 15 ________ (say), “I 16 _________(want) to ask one question. Who 17 ___________ (put) the bell round the cat`s neck?”

read) it, and I ___(to begin) "David Copperfield"

2) If you do not make a note of it, you __ (to forget) it by tomorrow.

3) By this time next year I ____ (to graduate) from Moscow state University and ___ (to be) in Saint Petersburg.

4) I ___ (to get) through the greater part of the work when y come.

1) I don’t enjoy (to eat) sweets because it’s harmful for my teeth.
2) The water (to run) from the gill was clean.
3) Stop (to write) this silly letter!
4) What do you call in English the thing that we use for (to reheat)
products.
5) We couldn’t help (to laugh) at Eddie Murphy’s Acting.
6) The man (to sit) at the table was very pale and long-haired.
7) What products do you use for (to cook)?
8) She feel like (to dance). It’s her favorite music.
9) The pupils look forward to (to go) on excursion to Kolomenskoye.
10) Do you mind (to smoke) here if I open the window?

1. It often (rain) in this part in the world.
2. Granny is in the kitchen. She (make) a plum-cake.
3. He is the most handsome man i ever (know).
4.This magazine (print) now in London.
5. I (not/hear) from him since he left Paris.
6. When I arrived, Tom (lie) on the sofa and (speak) over phone.
7. The first line of the metro (construct) in 1935.
8. Usually i (have coffee) in the morning, but now i (drink) tea
9. How long you (sit) here ?
10. We (help) always by our friends.
11. She (translate) the text by the end of next lesson.
12. My Dad always goes to work by car, but last week he (go) to work
13. We live got tickets, and tomorrow evening we (go) to the cinema.
14. The text (translate) already.