A、  B、  C、  B(A)该选项可以用于回答问候一类的提问，还要留意find和fine发音相似。(B)题干是问能否找到代课教师，回答还没找到，所以正确。(C)不要认为students与题干中的teacher有联系就选。

Why don’t we go out for dinner tonight?
(A)That was the best meal I’ve ever had.
(B)That would be great.
(C)I don’t know how to cook.

Were you able to find a substitute teacher?
(A)Yes, I am fine.
(B)No, not yet.
(C)Young students really need a lot of care.