57 You can get a 15% discount if you buy it today. I can ________ it’s the lowest you will get.
(A)prove
(B)guarantee
(C)contend
(D)regret
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統計: A(8), B(93), C(2), D(5), E(0) #2295985
統計: A(8), B(93), C(2), D(5), E(0) #2295985