Makesure的精选

问题详情：Makesure______theexperimentisover,alltheelectricfacilitiesinthelabareturnedoff.  A.onceif         B.ifonce                C.thatonce                ...

问题详情： Makesure        heisathomeornotbeforeyoucallonhim.   A.if      B.whether C.what        D.how【回答】B知识点：连词题型：选择题...

问题详情： Mary,makesure_____thelightsbeforeyouleavetheroom.  A.ofturnoff    B.haveturnedoff   Cthatyouturnoff   D.turningoff【回答】C知识点：宾语从句题型：选择题...