The scientists are looking ______ the problem with air pollution in the city. [ ]A. intoB. forC. aft

题目简介

The scientists are looking ______ the problem with air pollution in the city. [ ]A. intoB. forC. aft

题目详情

The scientists are looking ______ the problem with air pollution in the city.

[      ]

A. into       
B. for       
C. after       
D. around
题型:单选题难度:偏易来源:同步题

答案

A

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