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: Fill in the blanks with the appropriate forms of the given verbs. be, arrive, get, make, have, lose, leave, pay 1. If we hadn't taken a wrong turning back there, we ...................................in this mess now. 2. If all the members of staff had attended the conference,................the hotel................. enough rooms for everyone? 3. If it hadn't been for the fact that his uncle was a partner in the business, he ...................never .......................... the job. 4. I ............................. the game if it hadn't been for some quick thinking. 5. Do you think that if we ........................earlier, we might not have missed the coach? 6. If the driver .................... attention to the road, the accident wouldn't have happened. 7. If there hadn't been the traffic jam on the motorway, I......................................late. 8. If they ..............................a mistake with my order, I would have paid

VIII. Fill the blanks with the words given: harmful / polluted / garbage / serious / atmosphere / environment / increased / pollution

Big cities in the world are facing (1)…………problems of (2)…………..pollution, especially air and water pollution. The great number of motorcycles is on of the main causes of air (3)……………. Smoke coming out from vehicles contains a big amount of lead which is very (4)……………….to health. Besides, factories in the cities release so much carbon dioxide into the (5)……………….every day. These factories pollute not only the air but also the water as well. Poisonous sewage from factories flows directly into rivers without any treatment . Moreover, tons of (6)……………..are thrown into rivers, turning them into huge garbage dumps.

X. Fill in the blank with the correct form of word in the bracket.

1. The movie she saw last night ______________________ her. (disappoint)
2. The room was _______________________ small. (disappoint)
3. ______________________ of births, marriages and deaths appear in some newspapers. (announce)
4. She was _____________________ as the winner at last night's ceremony. (announce)
5. The noise was _____________________. (frighten)
6. She was ______________________ that the plane would crash.( frighten)
7. Many developers were delaying the ____________________ of land until later in the year. (purchase)
8. Inspectors found that teaching standards were ___________________ , but could be improved. (accept)
9. Noise from the factory has reached an _____________________ level. (accept)
10. The elephant is the biggest ________________ land animal. (life)

Fill in the blanks with proper words.

Science has told us so much about the moon that it is (26) ……………………easy to imagine what it would be like to go there. It is certainly not a (27) ……………………place. As there is no air or water, there can be no (28) ……………………of any kind. There is no variety of scenery either. For mile after mile there are only flat plains of dust with (29) ……………………around them. Above, the sun and stars shine in a black sky. If you step out of the mountain shadows, it will mean moving from (30) ……………………cold into great heat. These extreme (31) ……………………continually break rocks away from the surface of the mountains. The moon is also a very (32) ……………………world for sound waves can only travel through air. But beyond the broken (33) ……………………you see a friendly sight. Our Earth is shining more (34) …………………than the stars. From this distance, it looks like an (35) ……………………ball, colored blue and green and brown.