問題詳情

21. Not until the parents came home _____________ their children have dinner. Their teenage children were too lazy to cook for themselves.
(A) did
(B) were
(C) had been
(D) has

參考答案

答案:A
難度:適中0.649518
統計:A(202),B(19),C(40),D(15),E(0)

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