Would you like................... more coffee?

Which one of the underlined words or phrases is INCORRECT? Ted and Tom went to play badminton at the gym hours ago. and …

Mike has been a university student ...... six months now.

It has been really nice teaching this course. I hope you have enjoyed. ...... as much as I have.

Hannah: Excuse me. I am looking for my backpack. Librarian: there are three backpacks on the lost and found shelf. Could…

The chemistry teacher has worked here .................. the beginning of the year.