16. Before they _______ their meal, everyone must wash their hands.
(A) started
(B) starts
(C) starting
(D) start

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統計: A(0), B(0), C(3), D(3), E(0) #4062394

詳解 (共 1 筆)

#7551259
  答案:D 題目翻譯: 在他們開始用餐...
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