在某次网球联赛中,如果甲和乙都没有出线,则丙一定出线。上述前提中再增加以下哪项,可推出“甲出线”的结论?
_____ofwatermakesDeathValleyadesert,butitisbynomeansdevoid.
Ofalltheapplicants,______doyouthinkisfitfortheposition?
Manypeopleattendvariouspubliclectures,chiefly______themselvesfamiliarwiththelatestdevelopmentofdifferentfields.
Generallyspeaking,thehardoneworks,_______.