问题详情:
Tim Cook called his mother every week even while he_______ around the world.
A. was traveling B. is traveling C. traveled D. travels
【回答】
A
知识点:动词时态
题型:选择题
问题详情:
Tim Cook called his mother every week even while he_______ around the world.
A. was traveling B. is traveling C. traveled D. travels
【回答】
A
知识点:动词时态
题型:选择题