UC知道I ____(write) a letter at that time
来源：百度知道 编辑：UC知道 时间：2024/05/17 04:31:59
was writing
在那个时候，我正在写一封信。
PS：你是初二的学生吧？^_^
was writing
at that time 在那时候,是过去的某个具体的时间，应该用过去进行时。
was writing
at that time 在那时候,是过去的某个具体的时间，应该用过去进行时。
I was writing____(write) a letter at that time
I _had been writing___(write) a letter at that time
I ____(write) a letter at that time
I had to work last Sunday because I ____ to write an article for a magazine.
Dad ____ (write) a book these days
I write you a letter,
i hope you will write to me ____
A:Hello!____ I ___Ann?
I hate letters ____with a pencil.(write)
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May I have a pencil to write with
1 ____ the classroom,I found him writing a letter.