Anne couldn’t concentrate______what she was doing while her family were watching TV.

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问题 Anne couldn’t concentrate______what she was doing while her family were watching TV.

选项 A、to
B、for
C、on
D、in

答案C

解析 本题考查固定搭配。concentrate on为固定搭配,意为“集中,全神贯注于”。
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本试题收录于: 英语题库普高专升本分类
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