“Boys and girls, you should when having lectures, asked the teacher．A.behave you
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“Boys and girls, you should ________ when having lectures,”asked the teacher．
A.behave yourself
B.behave yourselves
C.behave you
D.behave yours
试题答案
B
解析：behave oneself是词组，表示“有好的行为举止”。这句祈使句是针对Boys and girls而言的，所以oneself应为复数。