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

The children ate too much sweet ________ they get toothache easily.

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

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

Who is Mr. Medley? - I have no idea. I've never heard _______ him.

A new conditioner will be ________ this morning.

That's the _______ interesting novel I've ever read.

My shoes are dirty. I'd better take them ________before I come in.

Children are _______ to overcome problems.

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

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

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

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

We can ________ easily in the daylight.

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

My father used to make me ________hard at night.

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

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

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

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

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