2. 外语
  3. The noise of the parade was very disturbing, which made it almost impossible for us to ______on what the speaker was saying.

The noise of the parade was very disturbing, which made it almost impossible for us to ______on what the speaker was saying.

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问题 The noise of the parade was very disturbing, which made it almost impossible for us to ______on what the speaker was saying.
选项 A、concentrate
B、be concerned
C、confirm
D、be dependent
答案A
解析 本题考查动词辨析。concentrate on，专心做……；concern, 关心，担心；confirm，证实．确定；dependent，独立于……，不依靠……。本题答案选A。
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