16. _____ the bell rings, the teacher locks the door to prevent the late comers from entering the classroom.
(A) Until
(B) Although
(C) When hear
(D) As soon as
詳解 (共 2 筆)
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As soon as the bell ...
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•解題: 一旦鐘聲響起(the be...
私人筆記 (共 1 筆)
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16. _____ the bell r...