Thank you very much for your corrections. Here are some more sentences I'm not sure of.

1) Mickey hasn't finished the washing-up, yet. He is late for the audition and Storm offers to do the washing up for him. She reminds him that on his first day in London he told her that he wanted to be famous. She believes he hasn't made it so far.
2) Storm thinks the audition is his chance to hit the big time.(to hit it big, to become successful)
3) She tells him that Jason has already audition for his part and he will probably get it.
4) Mickey rushes out of the restaurant in his apron and runs towards his future.
5) The worst journey I have ever had was in Greece. I went on a ferry cruise from Genua to Patras. The journey took many hours and I was seasick most of the time.
6) When I arrived in Patras,I miss the bus connection with (?) Athens and I had to wait at the harbour in Patras for three hours.

3. auditioned (past tnese)

6. missed (past tense).....connection to Athens

Sra

1) Mickey hasn't finished the washing-up yet, but he is running late for an audition. Storm offers to do the washing-up for him. To explain why she's helping him, she reminds him of a conversation they had on his first day in London where he expressed his desire to become famous. Storm believes that he hasn't achieved fame yet.

To answer this sentence, it seems like you're asking for corrections rather than an explanation. Here's a corrected version: "Mickey hasn't finished the washing-up yet, but he is late for the audition. Storm offers to do it for him, reminding him of his aspiration to become famous since his first day in London. She believes he hasn't achieved that goal so far."

2) Storm believes that the audition is Mickey's opportunity to achieve great success (to hit it big) in his career.
To answer this sentence, it seems to be more about definitions rather than corrections. Nevertheless, the meaning is correct. Here's an alternative sentence: "Storm thinks the audition is his chance to hit it big and become successful in his career."

3) She informs Mickey that Jason has already auditioned for the same part and is likely to be chosen.
To answer this sentence, it appears you are asking for corrections. Here's a revised version: "She tells him that Jason has already auditioned for the role, and it's highly probable that he will get it."

4) Mickey hurriedly leaves the restaurant, still in his apron, and makes a dash towards his future.
To answer this sentence, it seems like you want a correction. Here's a corrected version: "Mickey rushes out of the restaurant still wearing his apron and runs towards his future."

5) The most unpleasant journey I ever experienced was in Greece. I took a ferry cruise from Genoa to Patras, which lasted for many hours, and I suffered from seasickness almost the entire time.
To answer this sentence, it seems like you're asking for corrections. Here's a revised version: "The worst journey I have ever had was in Greece. I went on a ferry cruise from Genoa to Patras, which lasted for many hours, and I was seasick most of the time."

6) When I arrived in Patras, I missed the bus connection to Athens and had to wait at the harbor in Patras for three hours.
To answer this sentence, it seems like you're asking for a correction. Here's a corrected version: "When I arrived in Patras, I missed the bus connection to Athens and had to wait at the harbor for three hours."