Decision makers must have some way of determining of several alternatives is best.（）
A、thatD
暫無(wú)解析
Studentsshould（）theirowninterestsaswellasdotheirschoolwork.
Forthoseinvolved,thescandalhasbeenavery________(pain)experience
Ourmost________(success)productisbasedonaverysimpleidea
Itisnotabadmovie,butthereisnothing_(origin)aboutit.
Heis______absorbedinhisownthoughtsthatheseemsunawareofwhat'sgoingonintheroom
