2. 外语
  3. A driver should concentrate ______ the road when driving.

A driver should concentrate ______ the road when driving.

admin2011-01-03  47
问题 A driver should concentrate ______ the road when driving.
选项 A、from
B、in
C、on
D、of
答案C
解析 开车时驾驶员的注意力要集中在路上。concentrate意为“集中(注意力、思想等)”，与介词on搭配。
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大学英语四级

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