(　　)3. In class, the students are quiet and listening ________ the teacher.
(A) careful to　
(B) to carefully　
(C) to careful　
(D) carefully to

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統計： A(20), B(18), C(16), D(73), E(0) #359790

詳解 (共 1 筆)

#987038
carefully 副詞 修飾前面動詞listening 
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