When _____ comes to codes of ethics, I think everyone should strictly obey them.

 surprised us very much that John should fail in the physic test．

 If you need help, for example, money or ____ , let me know, will you?

He asked three of us to help her—John, Mike and _____ . 

—Where can I get this medicine?—At _______ chemist’s. It’s on sale everywhere.