教师课堂上的多余动作、过分紧张、思维滞迟都是教学技能不良的表现。( )
参考答案：对
A. hardly; hardly
B. hard; hard
C. hardly; hard
—I'm sorry I can't help you.
—______. [ ]
A. That's fine
B. Thank you
C. Thank you all the same
