高中英语:unit 1 art language points language points 课件 人教版选修6 (共21张ppt)
高中英语:unit 1 art language points language points 课件 人教版选修6 (共21张ppt)第3页

while

While in prison, he wrote his first novel. He listens to the radio while driving to work. While I admit that there are problems, I didn’t agree that they can’t be solved.

在…期间,当…时候

与…同时

虽然