高等继续教育 / 旅游英语
正确率：100%
题型描述: 单选题
Travelers usually ＿＿＿＿＿＿＿＿ those whose travels require the use of overnight accommodation and those whose trips last less than one day.
A.classifies into
B.classify into
C.are classifying into
D.are classified into
Travelers usually ＿＿＿＿＿＿＿＿ those whose travels require the use of overnight accommodation and those whose trips last less than one day.
A.classifies into
B.classify into
C.are classifying into
D.are classified into
参考答案：
佳题速递：