23.
(A) marking
(B) marked
(C) which is marked
(D) which marked

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統計： A(4), B(8), C(3), D(1), E(0) #587939

詳解 (共 1 筆)

#1249493

which was marked 也對

分詞構句，去關代和be verb
主動ving，被動vpp
這裡是被動，所以是marked
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