obligations 7 C

You ................... cross the road when the traffic lights are red.

• don't have to

• mustn't

• both

What ...................... do when I finish this exercise?!

• do I have to

• must

• both

The concert is free. You ........................... pay.

• don't have to

• mustn't

• both

We're late for the meeting. We ..................... go now.

• have to

• must

• both

You ............................ leave the door open - the dog will get out.

• don't have to

• mustn't

• both

I .................. pay Jane back the money she lent me.

• have to

• must

• both

n Britain you.......................... drive on the left.

• have to

• must

• both

You ........................... be tall to be good at football.

• don't have to

• mustn't

• both