He (walk) down the street when he saw his old schoolteacher on the other side.

What is the main idea of this text?

Solar power is a renewable energy source, because when we use solar power, we aren't permanently using (31) any of the Earth's

My parents think jazz is better than classical music. (PREFER)

My ____________________________

Rewrite each of the following sentences, beginning as shown, so that the meaning stays the same.

My house is near the beach. My friends often visit it in summer.

In summer, my friends ___________________________

I can't go out at the weekend because I have to finish my howtework. (COULD)

If ____________________________

Her villa has a swimming pool. It must be comfortable to stay there on holiday.

Because her ____________________________