阿摩線上測驗
20. The principal gave a speech to the freshmen, only a few of ______ were actually paying attention.
(A) who
(B) whom
(C) that
(D) them
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統計： A(16), B(148), C(26), D(53), E(0) #1760410
統計： A(16), B(148), C(26), D(53), E(0) #1760410
