应该是排列句子吧
Wejumpandrun(1)
Watertheflowers(4)
Wesometimeshelp(3)
Weoftenswim(2)
happilycarefullyeachotherintheriver
应该没错。Wejumpandrunhappily我们高兴地又跳又跑。Watertheflowerscarefully细心地浇花。Wesometimeshelpeachother我们有时互相帮助。Weoftenswimintheriver.我们经常在河里游泳。或Weoftenswimtogether.我们经常一起游泳。