Complete the sentence with the correct form of the words in brackets

1 How many...........are there in the program tonight? PEFORM

2 We often............TET holiday on the first day of the new year celebration

3 .............voluntarily contribute their money and other things to celebrate the festival together VILLAGE

4 There are some other activities such as............shows, buffalo races and traditional games CULTURE

5 People play drums, sings songs and..........happily DACING

Fill in the blanks with the correct form of the words in capital letters. 
1. Minh Hang won the highest prize in a dancing _______ last week. (complete)
2. If we go on littering, the environment will become __________ polluted. (serious)
3. Banh Chung is a _____________ dish at Tet in Vietnam. (tradition)
4. Nowadays, _________ are usually able to predict volcanic eruption in advance. (science)
5. There are many ______________________who work on this farm. (employ)

Exercise 13. Complete the sentences with the correct form of the words in brackets.

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

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

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

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

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

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

II. Complete sentences using the correct form of the words in brackets.

12. We must learn about keeping our environment ................................ (pollute)
13. Help is immediately sent to the ............................... of the earthquake. (survive)
14. ................................ are doing their best to save the species from dying out. (Environment)
15. These ...................................... will conserve the earth’s resources. (innovate)
16. The President’s New Year speech is going to be broadcast ............................... (nation)
17. We can protect the environment by .......................... air pollution. (reduce)
18. He failed because he answered all my questions ................................ (logic)
19. Wearing uniforms encourages students to be ....................... of their school. (pride)
20. He can’t pay attention to the lecture due to his ............................ (sleep)
21. It's ................................ of you to say that. You know it isn't true! (honest)
22. We must test the ............................ of the water. (pure)
23. Three firms are in ................................... for the same contract. (compete)
24. She is extremely ................................. about the history of art. (know)
25. I’m applying for .................................. of this club. (member)
27. What I hate most about Tom is his ................................ (rely)
28. The boy was not ............................ enough to admit his mistake. (courage)
29. This is Alexandra, my personal .............................. (assist)
30. The police asked me to give a .............................. of the suitcase I had lost. (describe)

VII. Complete the following sentences with the correct form of the words in the brackets

1.      I love the .......................................... of folk songs.                                                       PERFORM

2.      We held the Mid-Autumn festivals in ................................... house.                   CULTURE

3.       The Thanksgiving is a .........................................festival.                                             SEASON

4.      He  had an accident last week because he drove  ........................                                  CAREFUL

5.      It is …………………….. to swim in this river. It is polluted.                               SAFE

VI. Complete the sentences with the correct form of the words in brackets.

1. I love the .......................................... of folk songs.                                 PERFORM

2. We held the Mid-Autumn festivals in ...................................house.           CULTURE

3. The Thanksgiving is a .........................................festival.                         SEASON

4. He  had an accident last week because he drove........................                CAREFUL gapppp

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