18.Be sure __________ warm clothes with you tomorrow. It could get very cold in the mountains at this time of the year.
(A) bringing
(B) to bring
(C) brought
(D) having brought
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統計: A(18), B(127), C(7), D(6), E(0) #666648
統計: A(18), B(127), C(7), D(6), E(0) #666648