They have hardly seen a real plane so far, ________?

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________ is the population of that city?

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________ do you clean the floor of your bedroom?

Once a week.

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________ does Lin Feng usually clean the floor of his own bed-room?

Once a week.

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Miss Li wants to know ________ next week.

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You must tell him about that news ________.

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We ________ think he can ________ teach us Japanese.

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The youth today must ________ speak some English in order to do their work easily .

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Here is a telephone message from Mr. Li for ________.

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The poor woman ________ a cold winter morning . She has ________ for many years .

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