36. While she _______ with her friend on the phone, her boss suddenly walked in.
(A) was gossiped
(B) is gossiping
(C) has gossiped
(D) was gossiping

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統計： A(16), B(20), C(24), D(366), E(0) #1631891

詳解 (共 1 筆)

#2370169
強調過去當時動作的進行，故需用過去式之外...
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