Idon'tknowhowwecanmake________onthetimetableforanymorecourses.
A、scheduleSinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
It'smore________tobuyaseasonticketifyoutraveleveryday.
________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
Theoppositionleaders________thegovernmentfornottakingactionsooner.
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
