Is this the first school ________ you visited last week?

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He talked about the teachers and schools ________ he had visited.

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An Englishman will come tomorrow ________ will teach you Spoken English.

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Those ________ can see sometimes act just as foolishly.

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There is not anything ________ can't be done.

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The Nile,from ________ electricity is produced,no longer destroys villages and crops.

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Charlie Chaplin,for ________ life was hard,began acting at the age of five.

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________is a good form of exercise for both young and old．

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Closing the factory means _________more workers out of work.

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--Do you have a camera?

--No ,my father has ________. He just bought _________ a few weeks' ago.

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