Read the text again. match the words in the
box with the definitions.
sustainable energy renewable energy
alternative energy fossil fuels biofuel
comes from sources that do not damage the
environment
2 comes from sources that do not run out.
3 gives us energy without affecting the supply
in the future.
4 comes from material like plants.
are formed over millions of years from the
remains of plants and animals.
Exercise 8. Choose the correct answer in sentences 1-5.
1) If you don't hurry, you'll miss the train.
2) What can I do (will I do) if she refuses to listen to me?
3) His French won't improve unless he studies more.
4) If I had more time, I would take up tennis.
5) If I were in your position, I'd buy a new suit.
Choose the correct verb form А, В, С or D to fill the spaces in 6-10.
6) I happy to advise you if you'd asked me.
В would have been
7) If she her driving test, she would have bought a car.
D had passed
8) I wouldn't have lent him the money if he desperate.
С hadn't been
9) If you'd run faster, you the bus.
С could've caught
10) If I hadn't worked hard when I was young I where I am now.
D wouldn't be
Exercise 9. Put the verbs in brackets into the correct tense. Add a comma where necessary.
1. If the dog keeps barking, the neighbours will complain.
2. The boss will be angry if you arrive late for work again.
3. If you eat too much, you'll be sick!
4. If the weather is bad on Saturday, we will stay at home.
5. You should see a doctor if you don't feel well.
6. If you study hard, you will pass your exam.
1. If you have toothache, go to the dentist. - Если у тебя болит зуб, иди к стоматологу.
2. If Peter does lots of exercise he'll be fit and healthy. - Если Петр будет делать много упраждений, он будет в хорошей форме и будет здоровым.
позвони мне, если тебе будет нужна
4. Will Sarah be angry if we don't go to her party? - Сара рассердится, если мы не придем на ее вечеринку?
5. Cathy will be able to go on holiday if she saves enough money. - Каси сможет поехать в отпуск, если накопит денег.
6. Unless it rains we'll go for a walk. - Если не будет дождя, мы пойдем гулять.
7. If you work hard you may be promoted. - Если ты будешь усердно трудиться, тебя могут повысить.
8. Will you give me a call if you have time tomorrow? - Ты позвонишь мне, если у тебя будет время завтра?
9. If you don't do your homework I won't let you watch TV. - Если ты не сделаешь уроки, я не разрешу тебе смотреть телевизор.
10. Mary won't go to Australia unless I pay for her tickets. - Мария не поедет в австралию, если не оплачу ее билет.
11. If he arrives on time we'll have dinner before we go out. - Если он приедет вовремя, мы пообедаем перед тем, как уйти.