阿摩線上測驗
19. The exam won’t start _____ all students have put their books into their school bags.
(A) until
(B) if
(C) when
(D) after
答案：登入後查看
統計： A(419), B(26), C(12), D(20), E(0) #3108570
統計： A(419), B(26), C(12), D(20), E(0) #3108570
詳解 (共 3 筆)
BAMGUET
#7193884
The exam won’t start _____ all students have put their books into their school bags.
「考試不會開始，直到所有學生把書放進書包裡。」
(A) until：直到 ✅
(B) if：如果
(C) when：當…時
(D) after：在…之後
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