Упражнение 3: Раскройте скобки, чтобы получить Present Simple, Present Continuous, Present Perfect Continuous или Present Perfect.

1. Is Andy here? – I don’t know, I haven’t seen him today. 2. Where are you going? – To the library. 3. Would you like to borrow this magazine? – No, thanks. I have read it before. 4. Betty has arrived at 5 o’clock. I must go and meet her at the bus station.