III. Write a sentence with *if* for each situation.

You should take more exercise because that's the way to get fit.

The accident happened because the driver in front stopped so suddenly.

I haven't got a key, so I can't get in.

Throw a stone into water and it sinks.

I didn't have any breakfast, and now I'm hungry.

Road travel is cheaper than rail travel in this country, so we have lots of traffic jams.

Martin failed his driving test last week. He was very nervous and that's why he failed.

You may want a chat, so just give me a ring.

I didn't finish my report yesterday, so I can't begin a new project today.

The wind is blowing hard, so I won't take the boat out for a ride.

I'm sorry I disturbed you. I didn't know you were busy.

It might rain. If it does, everyone can eat inside.

We don't visit you very often because you live so far away.

Margaret wasn't injured in the crash because she was wearing a seat belt.

I have to work tomorrow evening, so I can't meet you.

I don't know anything about plumbing, so I didn't fix the leak in the sink myself.

Is Matthew going to enter the race? He'll probably win it.

We should have bought that picture five years ago because it would be quite valuable now.

I feel better now because you talked to me about my problems last night.

Carol didn't answer the phone because she was studying.