"Do you know why he was chosen to come to your assistance?"

This is not a plea for you to come to my assistance.

I turned to ring for someone to come to my assistance.

If I can ever come to your assistance, please contact me.

Then you remember what great allies came to his assistance.

The last one she would have expected to come to her assistance!

They know the administration will not come to their assistance.

What god or man do you think will come to your assistance?

I want to thank you for coming to my assistance.

No one, I knew, was going to come to my assistance: they all had more important work to do.