1\They have to explain ( )us the reason( )their doing so.A /;of B_英语解答

1\They have to explain ( )us the reason( )their doing so.A /;of Bwith;about C /;for D to ;for (D)

人气：243 ℃　时间：2020-04-14 19:06:36

解答

D两个固定词组
explain to sb 向某人解释
the reason for ...的原因
整个句子译为他们必须要我们解释这样做的原因.