阿摩線上測驗
22. There are some over-the-counter medicines _____ can help with the symptoms of a cold.
(A) they
(B) which
(C) to whom
(D) in which
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統計： A(7), B(279), C(19), D(32), E(0) #3036950
統計： A(7), B(279), C(19), D(32), E(0) #3036950
