成人英语三级考试

【单选题】We can hardly avoid making any mistakes in our work ______ hard we try.


A．whatever
B．how
C．no matter
D．however

网考网参考答案：D
网考网解析：
词义辨析。此句为让步状语从句，根据后面的副词hard可以判断，答案只能从B和D选择，however=no matter how，根据句意D更合适。 查看试题解析出处>>