用定语从句将两个句子合并成一个句子.

问题描述:

用定语从句将两个句子合并成一个句子.
(1)There was a time.We had to take a boat to go Tokyo at that time.
(2)The reason is not true.He gave the reason to the teacher.

There was a time at which we had to take a boat to go Tokyo.上面的 at which 可以用一个词 when 给替换.The reason he gave to the teacher is not true.He gave the reason which is not true to the teacher....