21. I’m sorry, but I really don’t remember _____ last night.
(A) what did he say
(B) what he said
(C) he said what
(D) he did say what
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統計: A(194), B(705), C(25), D(6), E(0) #2818037
統計: A(194), B(705), C(25), D(6), E(0) #2818037