Complete the dialogue with the correct form of the verbs given.

A: Hi, Petra! What (1) ................................................... (do) here?

B: I (2) ................................................... (wait) for Pete.

A: Oh. I (3) ................................................... (see) him five minutes ago. He (4) ................................................... (stand) in the entrance of the cinema.

B: Well, I (5) ................................................... (not understand) it. He arranged to meet me here.