tgetgoodgrades的精选

问题详情：Studentscan’tgetgoodgrades  withoutworkinghard .  A.iftheyhavenowork   B.iftheystudy  C.iftheydon’tstudy     D.iftheyareworking【回答】C知识点：相似相近词比较题型：选择题...

问题详情：—Iwon'tgetgoodgrades_______Istudyhard.—That's______everyoneistryinghisbesttopreparefortheexam.  A.until;why       B.unless;when                 C.unless;why【回答...