(　　)21. Some 　　　　 of students were still chatting in the classroom after school.
(A) clouds
(B) groups
(C) views
(D) catalogs

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統計： A(5), B(102), C(5), D(13), E(0) #359733

詳解 (共 1 筆)

#964159
(A) clouds 雲朵(B) groups族群、一群 (C) views視角 (D) catalogs類別
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