组卷网 > 初中英语综合库 > 短语辨析 > T > try one's best (to do sth.)
题型:单项选择 难度:0.65 引用次数:113 题号:12463065
Many children are left alone in the countryside. Let's try our best ________ them.
A.helpB.helpingC.to helpD.helps

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