10. ___ people complain about the quality of any goods, please refer them
directly to the customer services department.
(A)Should
(B)Could
(C)Would
(D)Might
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統計: A(44), B(8), C(23), D(12), E(0) #2059629
統計: A(44), B(8), C(23), D(12), E(0) #2059629