| 四六级考试六级易错题（2018/5/16） |
| 第1题：Some of the most, important problems in physics （） their success to these mathematics systems. A. oblige B. devote C. contribute D. attribute |
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| 第2题：He went by____his bicycle a few minutes ago. A.on B.in C.by D.with |
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| 第3题：The husband survived his wife（）. A.for many years B.by many years C.during many years D.in many years |
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| 第4题：The boy was injured when a firework（）in his face. A.went out B.went off C.went round D.went up |
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| 第5题：The factory was____owing to the shortage of raw materials. A.shut up B.shut out C.shut D.shut down |
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