根据你写信的过程或学到的写信知识完成下面的句子。1. I write it on a piece of _____________.
2. At the _____________ of the letter, I write the date.
3. At the _____________ of the letter, I write my name.
4. I put my letter in an _____________.
试题答案
1. paper 2. top 3. bottom 4. envelope