I can think of many cases ________ students obviously knew a lot of English words and expressions but couldn't write a good essay.

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York, ________ last year, is a nice old city.

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The reason ________ they did that is quite clear.

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I'll tell you ________ he told me last night.

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It is the last film ________ I want to see.

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The days are gone ________ we use “foreign matches”.

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This is the school ________ I talked to you.

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This is the school ________ I spent my childhood.

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The girl ________ talked to was quite bright.

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Mary often came to see Tom during those days ________ he was in hospital.

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