2 Jack _______ to help clean the classroom after school. Everybody is surprised because he is usually very lazy.
(A) forgets
(B) refuses
(C) declines
(D) volunteers
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統計: A(97), B(92), C(72), D(1976), E(0) #432235
統計: A(97), B(92), C(72), D(1976), E(0) #432235