The engineers in this lab spent several weeks _______their plans for the new bicycle.
A、countingC
暂无解析
Wedonothavea_______schoolinourinstitute.ThehighestdegreeweprovideforthestudentsisaB.A.andaB.S..
Somelazymenwouldrather_______thanwork.
Wewon’tallowanyforeigncountryto_______inourinternalaffairs.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
Carelessnessmadehimfallinhisjob_______.