题目

Tom has been wrestling with these technical problems since he________the department last year. A．took over                       B．took out  C．took on                         D．took up   答案： A　   考查短语动词辨析。take over接收，接管。句意为：自从去年接管这个部门后，汤姆一直在全力解决这些技术问题。take out取出；take on呈现；take up占用。  

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