21. Wearing jean has become a new fashion for the youngsters today.
(A)Wearing
(B)jean
(C) has become
(D) for
(E)the youngsters
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統計: A(0), B(33), C(6), D(4), E(6) #2718011
統計: A(0), B(33), C(6), D(4), E(6) #2718011