Please be serious. I am not _______. You should consider it carefully
B
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Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.