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

Airplanes usually travel ................... helicopters.

Faisal didn’t understand the question, ......... he kept asking for help.

I don't like university as ...... as I liked high school.

When I............... writing this paper, I’m going for a coffee.

If you want to see your writing grades, come by ray office tomorrow morning. I ....................... your essays by th…