_____ we’ve devoted a lot of resources to locating the cause of this engineering problem, we’re still not sure we understand it very well.
AIn spite of
BHowever
CNevertheless
DAlthough正確答案
答案與詳解
為什麼答案是 D
Although 為從屬連接詞，後方可接完整子句表達讓步關係，文法與語意皆正確。
載入中…
