They saw a robbery on their way ________.

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The twins were born ________ the morning of January 1.

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My uncle has worked in Japan ________ three years ago.

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When he woke up, he found the ground ________ snow.

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I have three dictionaries. One is Chinese-English one, ________ is English-English one and ________ is pocket one.

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The man over there is seriously ________. But he has to wait because the doctor is checking the other _______ people.

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He practises reading aloud English every morning ________ he will make greater progress in English-learning.

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The porch will ________ each paper ________ rain.

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What is the Class Two monitor often praised ________?

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You must finish off ________ of the food on the plate.

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