1. Which expression is not usually used in a conference room?
(A) Without further ado, I give you our speaker.
(B) Now the floor is open
(C)Will you say grace for us?
(D) Did I answer your question?
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統計: A(1), B(1), C(0), D(0), E(0) #3443204
統計: A(1), B(1), C(0), D(0), E(0) #3443204