题目内容
【题目】Having failed my French exam,I decided to concentrate___science subjects
A.to
B.upon
C.in
D.at
【答案】B
【解析】句意:法语考试失利后,我决定集中学理科科目。concentrate on/upon为固定短语,专注于……
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题目内容
【题目】Having failed my French exam,I decided to concentrate___science subjects
A.to
B.upon
C.in
D.at
【答案】B
【解析】句意:法语考试失利后,我决定集中学理科科目。concentrate on/upon为固定短语,专注于……