Ijustdon的精选

问题详情：Ijustdon’tunderstand          thatpreventssomanychildrenatschoolfrombeingashappyasonemightexpect.      A．whatitis            B．whatisdoes       C．whatisit  ...

问题详情： —Ijustdon’tknowhowtousetheword“otherwise”.—Well,Iguessitwillbeofhelpifyou__________thedictionary.A.lookup    B.checkin     C.referto     D.searchfor【回答】C知识点：动词题型...