I'm very glad to write back to you _______I heard from you three years ago.
A after B brfore C when D at that time
人气：191 ℃ 时间：2020-04-07 21:21:45
解答
A:I'm very glad to write back to you after I heard from you three years ago.三年前收到你的信后,我就很乐意给你回信.Before不符合意境,when和at that time 要用过去时,不能用I'm very glad to...
推荐
猜你喜欢
