问题

She is always listening to music ____doing herhomework.A.as
A:as
B:while
C:until 直到…
D:though
B:while
C:until 直到…
D:though
正确答案是:
同类题型
_______too late last night, I could not have fallen asleep in class
I have driven for so long, and now I want to have a rest. – _______ . _______ to drive.
Though Jack was busy, he managed to some time to _____visit his parents every week.[ ]
The old man often feels _________ because his children live far away.