Dioxins are dangerous chemicals________ they can cause cancer and birth defects.

I've never ______very well with my brother. We've got completely different personalities.

Children are _______ to overcome problems.

Ba missed the Math test yesterday. ________, he will have to do it next week.

____ lion dancing is very popular in Viet Nam, my friend Andy does not enjoy it

________ we use less electricity, power plants will burn less fuel.

The countryside is very peaceful ________ the air is so fresh.

If you want to save money, you should ________he amount of water your family uses.

We can ________ easily in the daylight.

We decided not to go out for meal _________ we were too tired.

Daisy is very nice; ________, all her friends love her very much.

Hoa missed the bus this morning, ________ she went to school late.

Old newspapers can be used to make newspapers, ________ you can collect them and bring them to the recycling center.

Can you turn_________ the lights? It's too dark.

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

He is very stubborn, so it will be difficult to _______ him to go.

What are you looking ________? My picture book. I've lost it.

Scientists are looking for an ________ way to reduce energy consumption.

My color TV, _______ I bought 10 years ago, still gives beautiful pictures.

A new conditioner will be ________ this morning.

My father used to make me ________hard at night.