I/II Conditionals

If Bill paid more attention in class, he ... learn more.

... Mary be upset if I didn't invite her?

If I ... well in the exam, my parents will buy me an MP3 player.

... go on a cruise if he had enough money.

They ... if we're a bit late this afternoon.

Will you still go to the concert if the tickets ... 60 pounds?

If I ... you, I'd get a haircut!

We'll leave at seven o'clock if the weather ... bad.

I'll be surprised if John and Helen ... a new car soon.

If I ... a bike, it wouldn't take me so long to get to school.

I would help you unless I ... busy.

If he ..., I will be disappointed. I have been waiting for him all day long.