A: of determining, in addition to how, when mammals colonized the islands of the West Indies
B: in the determination of how and when the islands of the West Indies were colonized by mammals
C: to determine how mammals colonized the islands of the West Indies and when they did
D: for determining when the islands of the West Indies were colonized by mammals and how they were
E: for determining how and when mammals colonized the islands of the West Indies
今天做到gwd28回,赫然發現原來是沒有答案的阿
才開始檢討第一題就遇上問題了
這一題cd給的答案是e
我在做題的時候就一直在ce之中掙扎
濉然選了e,心中依舊十分疑惑
麻煩各位大大解答一下
關於c, 我覺得後面用they did 是否有些不簡潔呢
而且when they did 是不是應該要加個did "so"呢
但是e, 前面用for 似乎怪怪的,感覺用(c)的to比較合理
