Question

Put the verbs in brackets in the present perfect tense to show what past action has produced the present resunt
Model: I don't know who MeQ is. I (not see) the film.
I don't know who MeQ is. I haven't seen the film.
1. Can you give me back the book. I lent ypu last week?
I'm sorry, I can't. I (leave) it at home.
2.Why are you so tired? I (work) a lot.
3.You can come and have breackfast. Mary (lay) the table.

Answer 1

1. I have left it at home. 
2. I have been working a lot.
3. Mary has laid the table.