102.
We regularly gather feedback from our customers to improve the quality of our products and services, _____ we are meeting their needs.
(A)warranting
(B)making sure
(C)pledging
(D)calling for
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統計: A(6), B(222), C(13), D(5), E(0) #3084671
統計: A(6), B(222), C(13), D(5), E(0) #3084671