27. The charity sale went alright, but it would have been perfect if_____.
(A) more people showed up
(B) we had had enough volunteers
(C) the mayor should promise to come
(D) the prices are higher
(E) it hasn’t been so warm
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統計: A(7), B(27), C(3), D(3), E(4) #939678
統計: A(7), B(27), C(3), D(3), E(4) #939678