阿摩線上測驗
20. He ______passed the test, but he spent too much time surfing the Internet.
(A) should have
(B) would have
(C) could have
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統計： A(1), B(1), C(0), D(0), E(0) #3031453
統計： A(1), B(1), C(0), D(0), E(0) #3031453
