问题

No wonder he looks tired! He’s been studying for the exams all week, ____ he’s been working in a bar at night

A:while
B:but
C:plus
D:as

正确答案是：

同类题型

Why is he not allowed to stay here?, it’s his home．

Not until his mother came back_______.

_____，memories of staying abroad as an exchange student flooded into his mind

Have a good day! —_______! You, too.

_______useful the dictionary you gave me last week is!