틀린유무만 알고 정확한 답을 모릅니다. 설명좀해주세요~^_^ 1. At some resorts, guards at the front gate demand that each guest _____ out before they are allowed to ventrue beyond the property. a)signs b)sign c)signature d)to sign A선택해서 틀렸어요, each guest 는 단수로 받기때문에 A 아닌가요? 2. With citires and towns facing rising demands on their water supplies, it is the oweners of homes and business that are often called upon_____ A) conserve B)conservation C)to conserve D)conserving D 선택해서 틀렸어요 3. At the end of the Olympics, a squadron of fighter planes are going to fly over the stadium. 틀린부분은?? 그리고 어떻게 고쳐야하나요? 4. The deleveryman handled the packate roughly unless it was clearly marked "fragile" 틀린부분과 어떻게 고쳐야하나요?