3.There were some ______ questions on the test last week, and it took me a while to figure out the answers.
(A)stubborn
(B)contemporary
(C)prosperous
(D)tricky
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統計: A(18), B(5), C(10), D(82), E(0) #418965
統計: A(18), B(5), C(10), D(82), E(0) #418965