题目内容
辨认错误
BeforeA went intoB the hall,John took offC his hat and overcoatD .
[ ]
I called onA Mr.Smith’s officeB whileC he was making an arrangementD .
Yesterday he toldA usB that his father wasC much wellD than before.
Why not to askA your teacher if you don’t understand what you haveB learned.
Your teacher will certainly be pleasedC ifD you ask him several questions.
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John studies well just becauseA he works hard at his lessons not becauseB he is more brightC than othersD.