Which one of the underlined words or phrases is INCORRECT? I don't had enough money to buy a bus ticket, so I'II…

I saw ....... students in the cafeteria, but I didn’t see anyone in the gym.

I......... do it if I could, but I am already busy with something else.

I met……teachers at the conference last week, but I didn't meet any students.

Choose the CORRECT ORDER to make the following sentences into a paragraph (1)He practiced with the flash cards until he …

The teacher might have accepted my late essay if I ...... him yesterday.