№3 Put the verb in brackets in Present Simple, Present Continuous, Present Perfect or Present Perfect Continuous:

1) Jane (write) a letter to a magazine for 2 hours. She (not finish) it yet. - Jane has been writing a letter to a magazine for 2 hours. She hasn't finished it yet. 2) "-What you (do)." - "I (look) for my pen-knife." - "-What are you doing?" - "I am looking for my pen-knife." 3) Nick (play) a computer game for two hours and he is still playing. - Nick has been playing a computer game for two hours and he is still playing. 4) I already (do) the housework. I can go for a walk now. - I have already done the housework. I can go for a walk now. 5) The concert (start) at 7 p.m. So we (meet) at 6.30 p.m. You (come) with us? - The concert starts at 7 p.m. So we are meeting at 6.30 p.m. Are you coming with us? 6) Sara (think) of moving a new house. - Sara is thinking of moving a new house. 7) Jack (wait) for Jenny since afternoon. She (not arrive) yet. - Jack has been waiting for Jenny since afternoon. She hasn't arrived yet. 8) -"Why you (smell) this cheese?" - "It (smell) strange" - "Why do you smell this cheese?" - "It smells strange"