13. A: Did Charles vote in the last election?
B: No, he wasn’t _____.
(A) enough old then
(B) then enough old
(C) old then enough
(D) old enough then
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統計: A(21), B(6), C(20), D(326), E(0) #1821793
統計: A(21), B(6), C(20), D(326), E(0) #1821793