阿摩線上測驗
31. Students _____ in Ms. Lin’s class because they feel her lecture is really boring.
(A) yawn
(B) giggle
(C) cough
(D) tremble
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統計： A(337), B(72), C(27), D(47), E(0) #2136772
統計： A(337), B(72), C(27), D(47), E(0) #2136772
