(　　)51. The policeman（警察）asked the man _______ questions and let him go in the end.
(A) a pair of　
(B) a couple of　
(C) a box of　
(D) a piece of

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統計： A(11), B(88), C(11), D(14), E(0) #359685

詳解 (共 1 筆)

#945988

 a couple of　幾個

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