They have the cause of the accident, but the result is still not known to us. [ ] A．looked forB．looked up C．looked intoD．looked round 题目和参考答案——青夏教育精英家教网—

题目内容

They have ________ the cause of the accident, but the result is still not known to us.

[　　]

A．looked for

B．looked up

C．looked into

D．looked round

答案：C
解析：

look into这里作“调查”讲．

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