please pass the key _ _ the lock. —oh! Is it a set _ _ keys?[ ]

Which club would you like to join, art club or basketball?— _______ is OK. I’m good at them.

I bought a computer last year. I ______ it for one year.

This picture is quite old, we can still see it was drawn in century.

I wonder if you ______ tomorrow. If you ______, I will invite someone else.[ ]