If you ________, it will be good for your health.

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Which do you prefer, maths or physics?

________, I like English. It is the most interesting subject.

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Where have you been these days?

I have been to Hangzhou with a friend ________.

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Colour TV is much better than black and white, but the villagers in the poor mountains don't have enough money to buy one.

I'm sorry to hear that. We ________ to save some money from now on in order to help them.

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I would like to buy a cotton hat but the shop assistant showed me a hat ________ red silk instead of it.

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Comrade Lei Feng asked ________ for return when he helped others.

I think all of us should learn from him and think of more others than ourselves.

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When will the sports meeting be held?

It depends on ________ it rains the day after tomorrow.

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The war on Iraq began ________ the morning of March 20.

So far it has been on for more than a month.

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________ you go, you'll find friends and get on well with them.

It's very kind of you to say so.

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If you go to the shopping center now, I'm sure you ________ home in less than half an hour.

That's true.

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