A: You look a bit worn out today. B: _______________.
(A) I’m on my way to the gym for some exercise.
(B) I’ve baked chocolate cookies. Would you try some?
(C) I lost my cell-phone, and I’m going to buy one.
(D) I have my paper due today, so I didn’t sleep last night.

You look worn - out ! 你看來精疲力竭！