(17.A.Onceamonth.B.EveryweekC.Onceinaweek(18.A.hewantedtodomoreworkB.hewantedtoteachthewoman
C.abetterteacherwilltakehisplace
(19.A.Mr.Greenwouldn’tbeasgoodasthenextteacher.
B.Mr.Greenwasthebestteacherofalltheteachers.
C.Mr.Greenwouldbebetterthanthenextonebutisworsethanthelastone
(20.A.Mr.Greenwasthelastdanceteacherthere
B.Mr.Greenwassobadthathehadnostudentstoteach
C.Mr.Greenwasthesi
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