依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）来到村南，眼前展现出一条碧绿的南北大川，顺川向南远望，___________。___________，___________。___________，___________。___________。①川道中间是湍急流淌的河水，河水清澈见底②川道东西两边山坡沟岔树木茂密，青翠欲滴，郁郁葱葱③雨后艳阳高照，树木随高低起伏的山脊起伏酷似汹涌的绿涛④水流冲击顽石，发出“哗啦哗啦”的响声⑤川尽头是一座雄伟高大的山峰，那就是临城县一千四百多米高的三峰山⑥河水两边的层层梯田是村民赖以生存的耕地，田地里玉米穗昂首吐须，笑迎金秋

______ hard You are sure to succeed!

I would appreciate _____if you can keep an eye on my dog while I am away.[ ]

Children areto meet with setbacks as they grow up, so their parents don’t have to worry about it.

rried to her office by taxi, only_____ that the key had been left at home.