Walk about 100 meters ________ the bridge and you will find the school on the right.

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What about the two of us ________ him with his English?

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He had learned ________ such things. So he refused ________.

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When I saw him, he was going ________ the direction of the factory.

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In order to continue to learn by ourselves when we have left school, we must ________ study how to learn in the school now.

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You can't imagine ________ when they received these nice Christmas presents.

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These machines ought ________ once a week.

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－I went to see you at about ten this morning, but you were not in the office.

－Oh, that was probably ________ I was talking with the headmaster.

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It is not until you have lost your health ________ you know its value.

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－Why are you looking pleased?

－Oh, I've just had a job ________.

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