高考考试

【单选题】Tom ______ better than to askDick for help.
A、 shall know
B、has known
C、 shouldn’t know D、 should have known

网考网参考答案：D
网考网解析：
[解析] know better than to do sth．=be wise enough not to do sth．懂得不该；非常精明不至于做(某种蠢事)。should have known better than to ask Dick for help应懂得不该向荻克寻求帮助。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>