如果你自己需要帮助，你知道去哪里寻求吗？

If you ___yourself ever need help, would you know where to get it?

如果你考虑自己开始跑步，跑步前一定要做热身运动，开始时不要跑得太快，也不要过度。

If you are thinking of taking it up ___yourself, always do a warm-up exercise before you run, don't go too fast at the beginning, and don't overdo it.

你自己可以解决这个问题。

You ___yourself can solve this problem.