The United States and Canada have agreed to joint action on acid rain, an environmental pollutant
that each exports to the other.
(A) that each exports to the other.
(B) each is exporting to the other one.
(C) that one exports to the next.
(D) they are exporting to one another.
(E) that they both export to each other.
誰好心幫我看一下我的想法對不對?
(B)(D) 錯因為它使用現在進行式
(C) next指的是誰? 不明確。
(E) both和each other有重複的味道? 還是不能用they錯? 錯在哪?
感恩!