I. Put the verbs into the correct form( conditional sentences : type I or type II )
1. He might get rid of his cough if he didn’t smoke so much.
2. She will go to university if she studies harder.
3. The weather is too cold. If it were warmer, I wouldn’t mind going to the beach.
4. If she leaves the fish there, the cat will get it.
5. If you slept under a mosquito net , you wouldn’t be bit so often.
6. Would you like some cake ? No, thanks. If I eat the cake, I will be fat.
7. Ice turns/ will turn to water if you heat it.
8. If someone gave you a boat what would you do?
9. If we had a submarine now, we would use it to investigate the seabed.
10. It is too bad Lam isn’t here. If he were here, he would know what to do.
II. Vocabulary
1. To ………..a bad habit, such as smoking and gambling, is not quite easy to most of human being.(divide, overcome, reveal, investigate )
2. John’s father is a ……….scientist. He studies life in the sea. ( marine, undersea, submarine, organism )
3. In some countries, teenagers can live ………. of their parents if they want. ( dependently, independent, independently, independence )
4. The authority supplied the victims of the fire …………..food, clothes, and money.( on, for, to, with )
5. ……… Pacific is the world’s largest ocean, covering one third of the Earth’s surface. ( A, An, The, 0 )
6. The existence of different kinds of animals and plants which make a balanced environment is called……… (biodiversity, challenge, rubbish, maintain )
7. He is always interested in the mysterious that lie beneath the ocean. ( over, under, above, on )
8. Sperm whale population are at risk due to hunting.( in danger, at hand, on purpose, in use )
9. Sea life has a strong ……on the composition of sea water. (challenge, information, investigation, influence)
10. They spent their childhood in a tiny fishery village by the sea. (small, enormous, big, large)
11. Oil spills are a great………..to the undersea world. ( threat, threaten, threatened, threateningly )
12. For years, scientists in many countries ………………. a lot of research to find a vaccine against AIDS. (are doing, will do, did, have done)
III. Put a tick if the sentence is correct and a cross if it is wrong. Correct if it is wrong
1. If you would come to my country, you would understand what I’m saying.
2. If I could travel round the world, I’ll go to Hawaii.
3. If you don’t be careful, you will lose your money.
4. You wouldn’t get wet if you have an umbrella.
5. I’ll buy a new dictionary when I get the money.
6. If I were you, I’ll a doctor.
7. He would go swimming if he knew how to swim.
8. You wouldn’t fail at the exam if you studied hard.
9. If you pour oil on water, it would float.
10. If he didn’t talk so much, he could have finish his exercise on time.
Put Verbs in the correct tenses and forms
Many accidents (cause) by dangerous driving.
Cheese (make) from milk.
The roof of the building (damage) in a storm a few days ago.
There’s no need to leave a tip. Service (include) in the bill.
You (invite) to the wedding. Where did you go?
A new hospital just (build) near the airport.
The situation is serious. Something (must/ do) before it’s too late.
A decision (not/ make) until the next meeting next month.
Whales (hunt) for food and clothing.
More laws on environment protection (should/ pass).
His key (not/ find) yet. He can’t remember where he (leave) them.
Ann (look) very different now. When you see her, you (not/ recognise) her.
Put words in the correct form
1. We can’t stop the ............... of plants and animals. (appear)
2. It is ............... to ride a motorbike in Vietnam without a helmet. (possibility)
3. My son’s study is ................ He often gets bad marks at school. (worry)
4. Man is ............... doing harm to the environment. (constancy)
5. A lot of money has been spent on ............... of the animals’ natural environment. (reconstruct)
6. Some people think that zoos are places where animals are ............... against their