Tropical rain forests produce about 30 to 40 percent of the world’s oxygen.

A ____________ is a piece of land which is full of rubbish.

Write a paragraph about 50 - 60 words on the topic: How to save energy at your school.

Read the following passage and choose the best answer for each question.

Halloween is a holiday. It is on the night of October 31st. It is celebrated in many English Speaking countries. Children wear costumes. They go to people’s homes. The people give them candy. Children say “trick or treat” to ask for candy. This comes from a treat. It means, “Give me a treat or I will play a trick on you” Children today never do the tricks if they don’t get treats. But some children still do mischief playful pranks or things to make fun of people like putting toilet paper in trees or writing with soap on windows. In these countries Halloween is about ghosts, witches, goblins, and other scary things.

Read the passage and tick the true (T) or false (F) statements.

Tropical rain forests are found in Amazon region of South America, Central America, Africa, and Southeast Asia. Rain forests are very important to the world’s climate. The Amazon rainforest alone receives about 30 to 40 percent of the total rainfall on the earth and produces about the same percentage of the world’s oxygen. Some scientists believe that the decreasing size of rain forests will affect the climate on the earth and make it uncomfortable or even dangerous for life. Saving our rain forests is an international problem. One country or even a few countries cannot solve the problem alone. The nations of the world must work together to find a solution before it is too late.

He is tired because he _____________ up late watching TV last night.

Who is going to __________ your children when you're at work?

Saving rainforest is a national problem.

Dynamite _________ many years ago.

A.   Rewrite the following sentences so that they have the same meaning as the first ones.

 My uncle will install a new air-conditioner this afternoon.

Mr. Brown is taking to some volunteer___________.

We don't have enough money, so we won't have a holiday.

If there is a mechanical problem, we suggest _________ the manufacturer directly.

What do children say to ask for candy?

Choose the best answer A, B, C or D to each of the following sentences.