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.

Most people want to reduce pollution.

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.

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

They will build a new mall here.

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

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

Write sentences using words or phrases provided.

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

If the weather is good tomorrow, we ........ there.

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