jackiss---.heisgoodatallhissubjectsatschool.
jack'sestfriendwentabroadthreeyearsago.jacknowm-----himalot.hisjokewasveryfunny.itmadeallofusl----.mrliaskedadifficultquestion,andallthestudentsr-----silent.misswangisagoodteacher.sheiss----withherstudents.ourteachergivesusalotofs----whenwehaveproblems.
订mrliaskedadifficultquestion,andallthestudentsr-----silent.【第二行有误】‘-‘
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