题目内容
155. In Beijing volunteers are making use of every minute to ______ their foreign languages because volunteers must pass a written test and an interview.
|
A.polish up |
B.take up |
C.put up |
D.make up |
A
【解析】略
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题目内容
155. In Beijing volunteers are making use of every minute to ______ their foreign languages because volunteers must pass a written test and an interview.
|
A.polish up |
B.take up |
C.put up |
D.make up |
A
【解析】略
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