23. We have bought materials from them for many years. If they
refuse to agree to our proposal, we should not _____ them
in the future.
(A) stand up
(B) deal with
(C) keep to
(D) run into
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統計: A(36), B(344), C(84), D(38), E(0) #2228392
統計: A(36), B(344), C(84), D(38), E(0) #2228392