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The doctor strongly recommended that he ________ a holiday.

．—________the population of Shandong Province?
—I can't say exactly, but I know it ________ about 80 million.

—How is the man injured in the earthquake?
—The doctor said if ________ in a proper way，he was likely to be saved.

There used to be a mountain in our village, at the top of which ________.

The traditional view is ________ we sleep because our brain is “programmed” to make us do so.

________ we go swimming every day ________ us a lot of good.

—Shall I help clean the kitchen, Mum?
—Thank you.But you ________ it because I can do it myself.

My suggestion is that you ________ much meat.

  Had I known about this computer program, a huge amount of time and energy ________.

If he ________ my advice, he wouldn't have lost his job.