4、n______hastakenmorethanthreeyears.【C】 which which which which 3.when指时间,在定语从句中作时间状语,有时也可用介词+which来代替。 (XX天津卷)daysaregone_____physicalstrengthwasallyouneededtomakealiving.【A】 4.where指地点,在定语从句中作地点状语,有时也可用介词+which来代替。 (XX陕西卷)walkeduptothetopofthehillwithmyfriend, weenjoyedasplendidviewo