中国石油大学 / 中石油
正确率:100%
5. A: Why, Liu, you don' t look so well. Are you OK? B: ____.
A、No, I' m fine.
B、Sorry.
C、What do you mean?
D、No, I have a terrible headache.
A、No, I' m fine.
B、Sorry.
C、What do you mean?
D、No, I have a terrible headache.
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