问题
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Mrs. Smith was so ___ about everything?/
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Mrs. Smith was so ___ about everything ?
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Mrs. Glitch was so about everything that no serv?
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Mrs. Glitch was so about everything that no serva
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So little______about physics that the lecture was completely beyond her.A.she knowsB.does
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The problem was so complicated that Mr. Smith had to______his brains.A.crackB.checkC.rackD