To do what a letter ask to is do.

做信中要求做的事。

If I didn't know how to do something, I'd ask to learn.

如果我不知道要怎样做某件事，我就咨询别人，向他们学习。

Finally, ask to be taken off the calling list, and wait for the telemarketer to do it before you hang up.

最后，只好要求他/她把你的号码从呼叫单上撤除，并且要求对方撤除后你再挂电话。

Lead to read the sentence Yes, I can. . Practice the word walk. Ask to stand up and follow me to do actions.

本单元的主要语言结构和动作词汇，会表达自己能做的部分动作并进行询问。