I. Complete the sentences with the correct form of the words in brackets.
1. In order to keep our environment ......unpolluted...... , we shouldn’t drop litter in public places. (pollute)
2. Don’t pump ....sewage........ into seas and rivers or it will pollute them. (sew)
3. Don’t throw away .......used..... bottles, papers, and glass. Take them to recycling centres. (use)
4. If we keep on .....polluting....... the air, more people will suffer from respiratory diseases. (pollution)
5. The local authorities have received many letters of ........complaint.... about the industrial wastes from that factory. (complain)
II. Complete the sentences with the correct form of the words in brackets.
1. Ba was ......seriously...... ill right after eating those ......poisonous...... mushrooms. (serious / poison)
2. ......Conservationists...... are interested in the protection of the environment. (conserve)
3. Without .......electricity..... , some people wouldn’t catch fish. (electric)
4. Shhh. Listen ......carefully...... to the conservationist teaching us how to protect the environment. (care)
5. What is responsible for the .....environmental....... problems in your city? (environment)
III. Complete the sentences with the correct form of the words in brackets.
1. Make sure the use of ......pesticide...... is not harmful to farm workers’ health. (pest)
2. .....Congratulations....... ! You have successfully held the clean-up campaign. (congratulate)
3. Use public transport or we won’t .....minimise....... pollution. (minimum)
4. If ......deforestation...... continues, there will be no forest left ten years from now. (forest)
5. The rising level of air pollution has caused concern among .......envrionmentalists..... . (environment)

’m = am (I’m)

’re = are (you’re, we’re, they’re)

’s = is and has (he’s, she’s, it’s)

’ve = have (’ve, you’ve, we’ve, they’ve)

’ll = will (I’ll, you’ll, he’ll, she’ll, it’ll, we’ll, they’ll)

’d = had and would (I’d, you’d, he’d, she’d, it’d, we’d, they’d)

Question 2: Use the correct form of the words in brackets to complete sentences

1.     The child should be punished because of his bad     behavior            ( behave)

2.     The .......residents....in this town are very friendly                              (reside)

3.     Every week, there are two .......flights....from Ha Noi to Nha Trang.        (fly)

4.     We're very impressed by the ...friendliness.......of your town's people.              (friend)

5.     All the newspapers praised the .....bravery.....of the firemen                       (brave)

6.     It was ....foolish........not to write down the address.                                  ( fool)

7.     The tiger wanted to see the farmer's ...wisdom..........                                  (wise)

8.     Bell experimented with ways of transmiting ..speech..over a long distance. (speak)

Question3: a) Change the following sentences into reported speech

1.     "Do you live here?" Liz asked

2.     She said "He doesn't buy this book."

She said that he didn't buy that book

3.     The teacher said "All the homework must be done carefully."

The teacher said that all the homework had to be done carefully

4.     "Don’t throw that bottle away. We can reuse it," said Mr Cuong.

Mr Cuong told me not to throw that bottle away and said that we could reuse it

5.     "I don’t understand what you are saying."Tom told us.

Tom told us he didn't  understand what we were saying.

                   b) Fill in the blanks with a suitable preposition.

1.     Measuring money must be very difficult to carry......out.....

2.     In this respect, French differs ....from.........English

3.     I'll come......over......to pick her up at 8 o'clock.

4.     The passage is written ..........in....English .

5.     Mr Duc Thanh is thinking of exporting rice ......to......India.

Question 4:   Fill in each numbered blank with a suitable word

      If you live in a city, you probably see many people, hear the (1)......sound......of traffic, and smell the pollution (2).....from....cars and factories.

    We are entering a new time in (3) .the.....history of the world. Before this, most (4) ..people... ..... were farmers. They lived in the country. Now many people are (5) ..leaving...the farms and moving into the cities. They are looking for better jobs. The cities are growing very quickly. Most cities are very crowded. People are driving more cars, burning more fuel, (6)....using...more water, eating more food, making more garbage, and producing more things in factories than (7)......ever....before. Life is becoming difficult.

    Some governments are trying to plan for the future. They are building new roads, putting (8) ....on.....new houses, looking for more water, and limiting growth in certain areas. Still, city planners are getting worried. People are crowding into the cities (9) ...more....  than cities can take them. The cities are running out (10).....of....room. What is the answer to this problem?

Question 2: Use the correct form of the words in brackets to complete sentences

1.     The child should be punished because of his bad behaviour                 ( behave)

2.     The ..... residents ......in this town are very friendly                              (reside)

3.     Every week, there are two ...flights........from Ha Noi to Nha Trang.        (fly)

4.     We're very impressed by the ....friendliness......of your town's people.              (friend)

5.     All the newspapers praised the ...... bravery....of the firemen                       (brave)

6.     It was .....foolish.......not to write down the address.                                  ( fool)

7.     The tiger wanted to see the farmer's ....wisdom.........                                  (wise)

8.     Bell experimented with ways of transmiting ..speech..over a long distance. (speak)

Question3: a) Change the following sentences into reported speech

1.     "Do you live here?" Liz asked Liz asked me if i lived there

2.     She said "He doesn't buy this book."She said that he didn't buy that book.

3.     The teacher said "All the homework must be done carefully." The teacher said that all the homework had to be done carefully.

4.     "Don’t throw that bottle away. We can reuse it," said Mr Cuong. Mr Cuong told me not to throw that bottle away because we could reuse it.

5.     "I don’t understand what you are saying."Tom told us. Tom told us he didn't understand what we were saying.

                   b) Fill in the blanks with a suitable preposition.

1.     Measuring money must be very difficult to carry.....out......

2.     In this respect, French differs ....from.........English

3.     I'll come......vẻ......to pick her up at 8 o'clock.

4.     The passage is written .......in.......English .

5.     Mr Duc Thanh is thinking of exporting rice ......to......India.

Question 4:   Fill in each numbered blank with a suitable word

If you live in a city, you probably see many people, hear the (1) ...........noisê......... of traffic, and smell the pollution (2) ...................from............... cars and factories.We are entering a new time in (3) ............the........... history of the world. Before this, most (4) ..............people...... were farmers.They lived in the country. Now many people are leaving the farms and moving into the cities. They are looking for better jobs. The cities are growing very quickly. Most cities are very crowded.People are driving more cars, burning more fuel, (5) ...............using.......... more water, eating more food, making more garbage, and producing more things in factories than (6) ...........ever.................. before.Life is becoming difficult.

Some governments are trying to plan the future . They are building new roads , putting (7) ............up.......... new houses, looking for more water, and limiting growth in certain areas. Still, city planners are getting worried .People are crowding into the cities (8)...........faster............ than cities can take them. The cities are running out (9)..................of............ room. What is the answer to this problem?

1. Products that use chlorine are (1. harm) _____harmful_______; they damage the environment.

2. We choose chlorine-free products, because they are (2. harm) ___harmless_________.

3.  When you need new batteries, replace them with ones you can (3. charge) _____charge_______.

4. Don’t throw away things you can recycle or (4. use) __reuse__________.

5. Don’t drop litter, it’s (5. care) ____uncareful________ and irresponsible.

6. Try not to waste water or electricity. We need to be (6. care) ____carefully________ with natural resources

1. carefully

2. difficult

3. well

4. seat

5. happily

6. writer

careful

dificult

well

seat

happily

writer

1. You always look___careful____ when you walk across the street. (CARE)

2. This exercise seems __difficult_____. (DIFFICULTY)

3. Last night the singer sang very . __well_____ (GOOD)

4. Nobody showed him to his ___seat____ (SIT)

5. He lives ___happily____although he is poor (HAPPY)

6. He often writes short stories. He is a_writer______ (WRITE)

flexibility

rusty

experienced

microgravity

Exercise 4: Complete the following sentences with the appropriate form of the words in brackets.

            1.   Learning to speak a language is often much (easy) ............ easier............. than learning to write it.

            2.   This hotel must be (expensive) .............. more expensive........... than the small one next door.

            3.   He is certainly (unusual) ................. the most unusual........ person I have ever met.

            4.   His latest film is (interesting) .......... more interesting............... than his previous ones.

            5.   What is (difficult) ................. the most difficult........ thing you have ever done?

            6.   Losing your credit card is (bad) ........ worse................. than losing your money.

            7.   Bringing up children is one of (hard) .......... the hardest............... jobs in the world.

            8.   When I saw her, she looked much (thin) ........... thinner.............. than I remembered her.

1 teach

2 beautiful

3 mystery 

4 shopping