4. As a young boy, I_________ play football with my friends in this park every Sunday.
(A) ought to
(B) was used to
(C) used to
(D) needed
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統計: A(60), B(234), C(865), D(13), E(0) #2384320
統計: A(60), B(234), C(865), D(13), E(0) #2384320