In order to save electricity, an ordinary 100-watt light bulb can be replaced by ..............

Write sentences using words or phrases provided.

I/ think/ it/ necessary/ celebrate/ Mother's Day/Vietnam.

Computer is one of the most important ....... of 20th century.

Rewrite the sentences with the words given keep the same meaning.

They will build a new mall here.

A new mall ............................................................

Read the following passage and answer the questions below.

Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. For example, exhaust from automobile provides transportation to millions of people. Factories discharge much of the material that pollutes the air and water, but factories give employment to a large number of people.

Answer the questions.

What does everyone want to reduce?

Rewrite the sentences with the words given keep the same meaning.

Let's put garbage bins around the schoolyard.

I suggest .....................................................................

Write sentences using words or phrases provided.

I/ suggest/ go/ on/ picnic/ countryside.

Choose the word whose the underlined part is pronounced differently from the other three.

People nowadays are interested ........... saving money and natural resources.

Choose the word whose the underlined part is pronounced differently from the other three.

Read the following passage and answer the questions below.

Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. For example, exhaust from automobile provides transportation to millions of people. Factories discharge much of the material that pollutes the air and water, but factories give employment to a large number of people.

Answer the questions.

Do you want to reduce pollution?

Choose the word whose the underlined part is pronounced differently from the other three.

I am disappointed ....... people have spoiled this area.

Can you ... the lights? It's too dark to see anything here.

Read the following passage and answer the questions below.

Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. For example, exhaust from automobile provides transportation to millions of people. Factories discharge much of the material that pollutes the air and water, but factories give employment to a large number of people.

Pollution problem is complicated and serious.

Choose the word whose the underlined part is pronounced differently from the other three.