7. He______ so long about buying the house that someone else bought it first.
(A)starved
(B) trembled
(C) hesitated
(D) prospered
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統計: A(24), B(14), C(92), D(27), E(0) #2042740
統計: A(24), B(14), C(92), D(27), E(0) #2042740