1 . Mr. Smith ________ (积累) a large fortune by selling oil and became a millionaire within less than five years. (根据汉语提示单词拼写)
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2 . Our government has tried various channels to raise and________ (积累)social security funds(基金). （根据汉语提示单词拼写）
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3 . Dust and dirt will soon _________ (聚积) if a house is not cleaned regularly. (根据汉语提示单词拼写)
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4 . Learning is defined as a conscious process of________ (积累) knowledge of a second language usually obtained in school settings. (根据汉语提示单词拼写)
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5 . When students graduate and apply for jobs, they should know the importance of ________ (积累) experience rather than focusing on their starting salary. (根据汉语提示单词拼写)
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6 . A thick layer of dust had a______ （累积）in the room. (根据汉语意思单词拼写)
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7 . The old teacher had _____ (积累) much experience of teaching before he retired.
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8 . Dust and dirt soon a__________ if a house is not cleaned regularly. (根据首字母填空)
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9 . Don’t worry. As the evidence begins to a______ , the truth will come out. (根据首字母填空)
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