问题补充:
单选题WithShanghaiWorldExpodrawingnear,volunteersaremakinguseofeveryminuteto____theirforeignlanguagebecauselanguagevolunteersmustpassawrittentestandaninterview.A.polish upB.take upC.use upD.make up
答案:
A解析考查短语辨析。polish up磨练,take up从事,use up用完,make up组成,化妆,句意:随着上海世博会的临近,志愿者们正利用每一分中练他们的外语,因为语言志愿者们必须通过书面考试和面试。故选A。