自从我上次给你写信之后，发生了许多事。

Since I last wrote to you, a lot has happened to me.

youdao

过去的这一周内发生了许多事。

Many things happened in the post week.

youdao

自他们来这儿以后，发生了许多事情。

Many things have happened since they came here.

youdao

自从上次给你写信以来，这里发生了许多事情。

Many things have happened since I wrote to you last time.

youdao

自从上次给你写信以来，这里发生了许多事情。

Since I wrote to you last time, there has happened a lot.

youdao

在过去的一年中，我必须说，许多事发生了。

In the past year, I have had much happen to me.

youdao

在过去的一年中，我必须说，许多事发生了。

In the past year, I have had much happen to me.

youdao