Hurry!Theplane

问题详情：

 Hurry! The plane ______ . You know, it ______at 3: 15

A. takes off, takes off                       B. is taking off, takes off

C. takes off, is taking off                               D. is taking off, is taking off

【回答】

B

知识点：动词时态与语态

题型：选择题