【简答题】A.walk beside B.move behind C.go before D.stand behind
【简答题】A.quit B.move to C.walk to D.live
【简答题】A.walk beside B.move behind C.go before D.stand behind
【简答题】A.walk beside B.move behind C.go before D.stand behind
【单选题】After a long walk, they were _______tired that they could not move even one step further.