是don't run so fast 还是no running so fast?

是don't run so fast 还是no running so fast? Don't run fast ____________meals.(填单词 you shouldn't have run so fast Don't run through life so fast that you forget not only where you've been,中文意思 He can't run ____ fast 是填so还是very Don't run so___,run___.A.fast;slowly B.fast;slow C.slow;fast Don't run too fast 分析句子结构 don't run so quick 改错 Don't ler the dogs run too fast.Don't ler the dogs run too fast. 什么意思? ___(not run) so fast _____(not run)so fast why bolt run so fast? 英文求教Nancy doesn’t run fast 肯定句是 Nancy runs fast 这个 Nancy can run fast Jack doesn't run _____ MikeA.so fast thanB.as fastly asC.more faster thanD.so fast aswhy （英语）Don‘t let the child run so fast.He is too young,----------Don’t let the child run so fast.He is too young,___________.A.all after B.after all C.either D.although请选择并说明理由, ----- that we couldn't catch up with himA so fast he ran B so fast did he run C so fast ran he D such fast did he run最好说明理由 Don't run!是单词还是句子 Don’t walk so fast.请问这里的fast 是什么词性呢?