I can write twice a week.

我可以一周写两次。

I can write to him once a week.

我可以每周给他写一封信。

I can write at least once a week.

我一周至少可以写一次。

I can write to him or her twice a week.

我可以一周给他或她写两封信。

I can write my pen-friend a letter twice a week.

我可以一周给我的笔友写两次信。

It like it because I can write my feelings in it.

它喜欢它，因为我可以在里面写下我的感受。

I can write at the weekends, because I have no time on weekdays.

我可以在周末写作，因为我在工作日没有时间。

Knapton, I'd like a pen-friend from Brazil; I can write once a week.

克纳普顿，我想要一个来自巴西的笔友；我可以一周写一次。

I can write no stately proem.

我写不出华丽的序言。

If I can write an unkind letter.

若我会写一封无情的信。