问一下They can walk up windowpanes because their feet have silky hairs.这句话有语法问题吗

问一下They can walk up windowpanes because their feet have silky hairs.这句话有语法问题吗 they can stand up and walk 〖 〗water! They can't walk. they can stand up and walk on water ,they are very friendly to peopie They can stand up and walk ( ) water!A in B at C with D on They can stand up and walk on water为什么不是with water they can stand up and walk[d ]water为什么选d呢?a.in b.atc.with d.on They can walk.改成否定句 They can walk for a long time.（同义句）They can walk ___________ ___________. Who can help me?短文填空Many people like dolphins.They are very _____ to people.They swim fast and jump very high.They can play _____ a ball.They can stand up and walk on water!If you fall into the water and can't swim,they may come up and _____ walk up 短文填空,超急!Many people like dolphins.They are very _____ to people.They swim fast and jump very high.They can play _____ a ball.They can stand up and walk on water!If you fall into the water and can't swim,they may come up and _____ you.Dolp They feel hungry and can not walk farther. 同义句：They feel( )hungry( ) walk farther. you can walk up or down there的谜底 问几个英语下谜语速度帮忙下.马上要用1.What has two legs but can't walk?2.What comes twice in a moment,once in a minute and never in a hundred year?3.What goes up but never comes down?4.Two sisters,round and bright.They always tun,but they show the blind people（） he can walk safely they can walk on the street.怎么改为疑问句 they can hand walk the case through the process这句话的里面hand walk是什么意思?