EXERCISE 5: Put the word in bracket into the correct form.
1. He will ________ die if you don't call a doctor. (CERTAIN)
2. Big students aren't ________ intelligent students. (NECESSITY)
3. I don't believe what he has just said. It's very ________ (REASON)
4. I don't feel at ________ when living with him in the same room (EASY)
5. Would you tell me your ________? I'm American (NATION)
6. These machines can harvest the corn ________ (AUTOMATIC)
7. The villagers need the ________ of food and pure water ________. (PROVIDE)
8. They will ________ this road because its ________ is too narrow. (WIDE)
9. This country has ________ climate. (CONTINENT)
10. Helping the poor is a ________ act. (RESPECT)
EXERCISE 6: Put the word in bracket into the correct form.
1. You should take our parents' ________. (ADVISE)
2. You should do what the ________ told if you want to pass the test. (INSTRUCT)
3. The island is ________ only by boat. (ACCESS)
4. That ________ spoke so fast that I couldn't understand him. (FOREIGN)
5. He plays the piano well ________. (TOLERATE)
6. Travelling by public transport is very ________ as there are long delays. (ATTRACT)
7. Prices continue to show an upward ________. (TEND)
8. You have to admire her ________ to learn English. (DETERMINE)
9. Bad planning will lead to ________ later. (DIFFICULT)
10. She's perfectly ________ in her demands. (REASON)
EXERCISE 7: Put the word in bracket into the correct form.
1. You must be ________ when you open the door. (CARE)
2. Our school has a lot of ________ teachers. (QUALIFY)
3. When you take an exam, you are an ________ (EXAMINE)
4. We could see some strange ________ on her face. (EXPRESS)
5. Your English is much better, but there’s still room for ________ (IMPROVE)
6. You should write a letter of ________ to that institute. (INQUIRE)
7.1 watch the news every day because it’s very ________ (INFORM)
8. The Internet is a very useful means of ________ (COMMUNICATE)
9. We can see many ________ on TV every day. (ADVERTISE)
10. They live in a ________ area in the north-east of the country. (MOUNTAIN)
EXERCISE 8: Put the word in bracket into the correct form.
1. It's ________ of you to cheat in the exam. (HONEST)

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2. The police are looking for a dangerous ________ (CRIME)
3. She receives a lot of ________ from her friends. (COURAGE)
4. There are ________ about wearing uniforms at school. (ARGUE)
5. The ________ situation in that country is getting worse and worse. (ECONOMY)
6. The Internet has ________ developed in very field. (INCREASE)
7. We must learn about keeping the environment ________ (POLLUTE)
8. Don't eat those vegetables. They’re ________ (POISON)
9. We'll live a happier and ________ life if we keep our environment clean. (HEALTH)
10. You are talking complete ________ (SENSE)

BÀI TẬP VỀ NHÀ

III. Put the verbs in brackets into the correct form.

1.  We ____________ (stay) at home if it rains.

2.  She will call you if she ____________ (have) time.

3.  If it _________ (not rain) tomorrow, we will go for a picnic.

4.  If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.

5.  If you ________ (not water) plants, they ________ (die).

6.  If the weather __________ (be) bad, we ________ (not go) to the park.

7.  We _____ (save) thousands of trees if we _______ (not waste) so much paper.

8.  What _______ (happen) if we _______ (keep) polluting the environment.

9.  If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.

10.      If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the

BÀI TẬP VỀ NHÀ

III. Put the verbs in brackets into the correct form.

1.  We ____________ (stay) at home if it rains.

2.  She will call you if she ____________ (have) time.

3.  If it _________ (not rain) tomorrow, we will go for a picnic.

4.  If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.

5.  If you ________ (not water) plants, they ________ (die).

6.  If the weather __________ (be) bad, we ________ (not go) to the park.

7.  We _____ (save) thousands of trees if we _______ (not waste) so much paper.

8.  What _______ (happen) if we _______ (keep) polluting the environment.

9.  If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.

10.      If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the future.

Use the correct words form

1. You should not _______ the room without knocking on the door. (entrance)

2. He will _______ die if you don't call a doctor. (certain)

3. It was the best live _______ I have ever seen. (perform)

4. What have they done to _______ their own country? (modern)

5. Students should be _______ to be proud of their school uniforms. (courage)

6. In many countries, education is free and _______ for children. (compel)

7. My sister wears nice and new clothes . She looks very _______. (fashion)

8. Sometimes children are given _______ to wear what they like. (free)

9. Many university and college _______ like wearning jeans. (study)

10. In the \(18^{th}\) century jean cloth was made _______ from catton. (complete)

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8. Put the verbs in brackets into the correct form of conditional sentence type 2. 1. If I (be) the president, I (pass) harder regulations for using fertilizers in agriculture. 2. If I (be) you, I (not eat) that genetically modified potatoes. 3. If big corporations (care) more about the environment and less about their own pockets, the pollution from factories (not increase) so fast. 4. He (sort) his trash, if he (be) smart. 5. If the seas (pollute) , maybe the population of whales (recover) . 6. If I (not throw) this can of Coke into the bushes, I (not know) that Coke is poison for wild animals. 7. If the factories (not dump) untreated waste into the ocean, fish (die) massively. 8. What (do) you if you (be) President. 9. If the air (not be) dirty, the breathing problems (reduce) . 10. If I (own) a lonely island, I (build) a huge house by the beach.

II. Make conditional sentences, using if or unless. 1. Ican't finish this task if you don't give me a hand. 2. You will run out of money if you don't stop wasting it. 3. Don't call me unless it is an emergency. 4. James will not pass the test unless he studies harder. 5. If Jane finishes her work before 6 p.m, she will dine out with her friends. 1. Work hard and you will pass your exam. If 2. My brother is not good at playing tennis. My brother does not . 3. r'll be on vacation next week, so I won't be able to attend the meeting. Since 4. If you don't start working hard now, you won't be able to pass the final test. Unless . 5. Someone should take this garbage to the garbage dump soon. This garbage 1. I am a member of the anti-pollution program in my school. I often go to school by bus. (so) 2. The trees in this area were cleaned off. Public facilities would be constructed. (because of) 3. All the roads were flooded because it had been raining heavily. (due to) 4. Jimmy ate a lot of fast food, so he put on 10kilograms within just two months. (because) 5. My father got upset because I repeatedly left on the lights I was not using. (so)