look into 观察调查
look on旁观
应选A
1.I am sorry you were not satisfied with our service,madam.I will------this matter.
1.I am sorry you were not satisfied with our service,madam.I will------this matter.
A.look into B.look on
A.look into B.look on
英语人气：575 ℃时间：2020-05-25 00:36:24
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