I am studying chemistry at university.

I need confirmation that the package has been delivered.

Scientists are trying to reproduce the experiment to confirm the results.

This handy tool makes it easy to fix small problems.

I saw a stack of hay in the field.

I attended a conference last week.

I watched a beautiful firework display last night.

The copier is broken, so I can't make any copies.

The doorman greeted us with a warm smile as we entered the hotel.

I need to do a revision of my essay before submitting it.