This is my first time to keep a diary in English.

这是我第一次用英文写日记

Eleanor began to keep a diary.

埃莉诺开始记日记了。

I keep a diary everyday.

我每天都坚持记日记。

I keep a diary in English every day.

我把每天的活动都写入日记。

I keep a diary in English every day.

我每天用英语写日记。

We should keep a diary.

我们应该坚持记日记。