Which one of the underlined words or phrases is INCORRECT? Ibn Firas is well known in the Arab World for he's early …

Do you know where .................... ?

Teachers should….…before the start of the term to make sure classes can start.

Wow! I couldn't understand any of the lecture. It was ...................... fast.

I ......... for the lecture to start for almost an hour. I don't know why it is delayed.

Which of the underlined words or phrases is INCORRECT? Adam don't seem to mind whether he studies at home or abroad.