—Are these doctors and nurses tired, Mr. Smith?    —Yes. ________. They have be

 —Are these doctors and nurses tired, Mr. Smith?

   —Yes. ________. They have been operating on the patient for at least 10 hours.

A. They’re exhausted!                B. You must be joking!

C. I’m not surprised!                 D. They are really tired of it!

答案

A

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