4. Complete the second part of the dialogue. Use the past simple affirmative, negative or interrogative form of the verbs in brackets. Then listen and check.

Sam: You (1) _____ (not leave) your mobile at the cinema. You (2) _____ (lend) it to me, remember? I (3) _____ (not give) it back to you. 

Anna: Yes, of course! Can you bring it to school tomorrow? 

Sam: I'm really sorry, but I (4) _____ (leave) it on the bus yesterday evening. 

Anna: Oh no! What (5) _____ (you/ do)? (6) _____ (you/ ring) the bus company? 

Sam: Yes, I did, but they (7) _____ (not can) find it. It (8) _____ (not be) on the bus. Don't worry. I (9) _____ (phone) your number ... 

Anna: (10) _____ (anyone/ answer)? 

Sam: Yes! Lucy, from our class. 

Anna: Why (11) _____ (she/ have) my phone? (12) _____ (she/ be) on the bus with you? 

Sam: Yes. She (13) _____ (pick) it up by mistake. She's bringing it to school tomorrow!