60a Circle the correct answer.
0 (must)/mustn't ask Mum for some money. I haven't got enough for my ticket.
1 I must / mustn't forget to tell Becky. She wants to come, too.
2 We must/mustn't check the times of the trains again. I'm not sure of them.
3 We must/mustn't be late for our train.
4 I must / mustn't take my railcard. I can get cheap tickets with it.
5 You must /mustn't get the number 7 bus. It doesn't stop at the station.
6 We must/mustn't lose our tickets. We can't get any more.