我每个周末都在社区中心帮忙。

I've been ___helping ___out at the community center every weekend.

我开始创业时，父母借了一笔钱帮我渡过难关。

My parents ___helped me ___out with a loan when I started my business.

你能帮忙开车送你姐姐去机场吗？

Can you ___help ___out your sister by driving her to the airport?