A、  B、  C、  A

What’s wrong with your eyes, Henry?
(A) He can’t see the blackboard.
(B) I can’t see clearly.
(C) I have got a toothache.

Is the hot water offered all day and night?
(A) Yes, it is.
(B) Yes, it is open at night.
(C) No, it’s getting colder now.