4.Many people hold the opinion that May and October are the best time______.

问题描述:

4.Many people hold the opinion that May and October are the best time______.
A.to traveling B.to travel C.of traveling D.travelling
为什么?

4.许多人们持有观点5月和10月是最佳的时间______.
A.to旅行的B.to旅行C.of旅行的D.移动