21. Frank : The exam is over. So, let's celebrate.
Peter : Sure. But when and where?
Frank : 7 p.m. at the coffee shop around the corner.
Peter : __________
(A) I may fail the exam.
(B) Not at all.
(C) See you then.
(D) Nice to meet you.

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統計： A(0), B(0), C(1), D(0), E(0) #4048086