23. Sue’s pen pals didn’t write for a long time. She has not ______ them since last May.
(A) listening to
(B) talking to
(C) working with
(D) heard from
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統計: A(8), B(19), C(61), D(164), E(0) #2336813
統計: A(8), B(19), C(61), D(164), E(0) #2336813