Jawaban:

Dan: Hey Gary, come in.

Gary: Where (1) have you been all day, Dan?

Dan: Oh, here at home, (2) I've been busy.

Gary: Busy? What (3) have you been doing?

Dan: (4) I've been cooking for a dinner party.

Gary: Really? (5) Have you finished yet?

Dan: No, I'm afraid not. (5) I've been making Spanish paella and chocolate cake, but I (7) haven't prepared the salad yet.

Gary: Let me help you then.

Rob: You know Sam, I want to become a writer.

Sam: My uncle is a writer.

Rob: Really? Tell me about him.

Sam: Well, he (8) has been writing novels for years. He's very talented. He (9) has written twenty novels so far. (10) Have you heard of David Miner, right?

Rob: Oh, he's quite famous. I want to become famous too.

Sam: (11) Have you been writing anything so far?

Rob: No, I (12) haven't decided what to write about. But I will become famous someday.