They often came to the factory to our difficulties. A. look after B. look up C.
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They often came to the factory to _____ our difficulties.
A. look after B. look up C. look out of D. look into
试题答案
D
句意为“他们常常到工厂里来了解我们的困难”。只有look into含有“了解，调查”之意，其它三项不合题意。