The new law went ________government yesterday.

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What he said had a great effect ________the future of both mother and the son.

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The PLA men took the possession ________the enemy's fort.

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The teaching desk remains ________with dust , which seems not to have been cleaned for a long time.

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He came in, ________unhappy.

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My pain ________obvious （明显的） the moment I walked into the room , for the first man I met asked me pitifully, “Are you feeling all right?”

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Can I help you?

I'd like to buy a present for my father's birthday ,________ at a proper price but of great use.

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Henry can't attend the party ________at Tom's house at present because he is preparing the speech at the party ________at Marie's house tomorrow.

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It will be quite a long time ________she is back again , so don't be too cross with her.

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So far, several ships have been reported missing ________the coast of Bermuda Island.

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