问题
选择题
After the accident a policeman was appointed to _________ the cause of the big fire.[ ]
A. look for
B. look after
C. look into
D. look upon
答案
答案：C
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After the accident a policeman was appointed to _________ the cause of the big fire.[ ]
A. look for
B. look after
C. look into
D. look upon
答案：C
