1.Oh,my feet hurt!We must have walked for four hours _________ today.A.continue B.straight C.timely D.direct
问题描述：
1.Oh,my feet hurt!We must have walked for four hours _________ today.A.continue B.straight C.timely D.direct
答
striaght的意思就是连续,不断的,所以这里写straight就是一直/连续走了四个小时.