ls this the first time that you——to Europe A.have gone B.have been C.go D.went
问题描述：
ls this the first time that you——to Europe A.have gone B.have been C.go D.went
As students,please don't waste any money---useless things
A.buying B.to buy C.buy D.bought
lt often---Mum much time to go work by bus
A.costs B.spends C.pays D.takes
答
第一道：选D,从语境看,现在至少是在欧洲、或者从欧洲回来了,那么,去这个动作应该发生在过去,主句是一般现在时,这里便要用一般过去时.
第二道：我还没见过waste这样的用法,感觉选B,用动词不定时表目的.
第三道：选D,it takes sb.stime to do sth.是固定的结构,有学过.