32. The customer service representatives ___________ at the receptionist desk for product introduction.
(A) always are available
(B) are always available
(C) are available always
(D) being always available
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統計: A(0), B(2), C(0), D(0), E(0) #4063890
統計: A(0), B(2), C(0), D(0), E(0) #4063890