—Remember that where and when two different English question words .
—I see, but can you tell us how to use them, sir?
A. be
B. is
C. are
D. Being
网友回答
A. be
B. is
(答案→)C. are
D. Being
解析：主要测试主谓一致。有些考生没有弄清题意，就想当然地认为用where and when提问时，谓语动词用单数形式，于是错选B。其实，这里是指where和when这两个特殊疑问词，故正确答案选 C。考生应该从思维定式中走出来，不要被一些假象所迷惑，而应该从实际语境出发，对题目进行仔细的考虑。