The man….around the world by boat.

问题描述:

The man….around the world by boat.
这道题是用动词的适当形式填空,把.填满.
这道题是用动词的适当形式填空,把.填满.动词是(travel)

1.has traveled
2.has been traveling
3.travels
4.is traveling
根据不同的意思可选择以上4种不同的答案