(　　)8. Zoe is busy ________ for her English test at nine last night. Her mom did the dishes for her.
(A) to prepare　
(B) preparing　
(C) prepare　
(D) prepares

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統計： A(37), B(49), C(7), D(8), E(0) #359935

詳解 (共 1 筆)

#985619
busy前有Be動詞，Be動詞後要加V+ing。
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