-When are you leaving? -My plane _____ at six.
A. took off
B. is about to take off
C. takes off
D. will take off
出自:国家开放大学英语语法

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块