A:We've got an hour before our next class, would you like to get something to eat here?
B:I can join you for a quick sandwich, but I need to run some errands afterward.
(A)He'll eat his sandwich after class.
(B)He can only stay a short while.
(C)He isn't hungry right now.
(D)He need to shop befor eating.
Ans:C Why? 為什麼(A)不行?
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