playing dumb with teachersThey know very well their students.A. It’s no useB. There’s no

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(答案→)A. It’s no use
B. There’s no doubt
C. It’s no wonder
D. There’s no need
解析：
试题分析: 句意：和老师们装聋作哑是没用的。他们非常了解他们的学生们。A It’s no use doing sth“做某事没有用”；B There’s no doubt that从句“毫无疑问”；   C It’s no wonder that从句“难怪”；D There’s no need to do“做某事没必要”，答案选A。