I remember Susan left ________ a very cold morning of January.

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I'm going to work hard ________ English this term.

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I can't finish the work ________ your help.

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She had to look ________ her younger sister because her mother was ill.

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There is something wrong ________ my watch.

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Mr Green has lived ________ London ________ ten years.

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Beijing is ________ of China.

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I was born ________ September 1,1987.

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Dig a hole for the tree and make sure it's ________ too big ________ too small.

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I won't believe you ________ I see it with my own eyes.

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