6. Our teacher Ms. Wu seldom laughs, but when she ______ , everyone in the same
building can hear her.
(A) can
(B) does
(C) has
(D) will
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統計: A(30), B(482), C(37), D(25), E(0) #2709304
統計: A(30), B(482), C(37), D(25), E(0) #2709304
詳解 (共 3 筆)
#5209655
文法 : 用 does 代表句中的動詞 laughs (表達現在式)
依照時態和人稱,可以用 do / does / did 代表句中的動詞
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