Błagam pomóżcie nie potrafię tego zrobić a mam to na jutro. Daję naj!

1. A: Your brother is a real globetrotter, isn't he?     B: Why do you say that?   
  A: Well, since he left university, he.............. (travel) all over the world.    
B: I suppose you're right.    
A: Where is he now?    
B: I don't know. I............ (not hear) from him for a while.     
A: So, he.......... (not send) you any emails in the last week?     
B: No, he hasn't.

2. A: ............. you............ (hear) about the university student who's going to try and sail around the world?     
B: No.     
A: Really? That's strange. He......... (put) up posters around the university for the last three weeks. He's an amateur sailor, and he's going around the world without a crew.      

B: That's a very brave thing to do. I mean, I............... (never / try) sailing, but I imagine you need quite a bit of courage to attempt something like that.        
A: Definitely.


3. A: You look tired, Bob. What..............you........ (do) all day?
B: I.............. (try) to finish my article on hitchhiking.
A: .................you..........(finish) it yet?
B: Almost. I can't find a good way to end it. A: ..............you........ ..(ask) Claire about it? She used to go hitchhiking all the time.
B: That's a good idea.​