问题
选择题
_____ playing dumb with teachers. They know very well their students.
A．It’s no use
B．There is no doubt
C．It’s no wonder
D．There is no need
答案
答案：A
题目分析：句意：和老师们打哑谜是没用的。他们非常了解他们的学生。It’s no use没用；There is no doubt毫无疑问；It’s no wonder难怪；There is no need没有必要，选A。