Faced with such a hard financial problem, Jack tried to stand on his own two feet rather than turn________ his parents.

 

to　

【解析】考查短語意義。句意：面對(duì)如此困難的經(jīng)濟(jì)問題，杰克努力靠自己而不是向父母求助。turn to“向某人尋求幫助”，符合句意。

 

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