Punctuative
a. 标点的
🗣️ 情景例句
I want to thank you for placing such a big order with us. You won't be disappointed.
谢谢你下了这么大的订单，你一定不会失望的。
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
No, I don't.
不知道。