Rewrite the sentences using appropriate modals.    1    It wasn’t necessary for you to pick me up from the train station.   
2    Kanat managed to find a job at Khan Shatyr.   
3    Harriet had the ability to play the guitar at the age of ten.  
  4    It’s possible that I will travel to New York next year.   
5    Eating food is not allowed in the museum.   
6   I advise you to leave some of your holiday money in the hotel

1) You didn't have to pick me up from the train station.
Explanation: In this sentence, the phrase "it wasn't necessary" expresses the idea that the action of picking me up from the train station was not obligatory or required. The modal verb "didn't have to" also conveys the same meaning by suggesting that there was no obligation or necessity to perform the action.

2) Kanat was able to find a job at Khan Shatyr.
Explanation: In this sentence, the phrase "managed to" implies that Kanat was successful in finding a job at Khan Shatyr. The modal verb "was able to" also conveys the idea of successfully accomplishing the action.

3) Harriet could play the guitar at the age of ten.
Explanation: In this sentence, the phrase "had the ability to" expresses the idea that Harriet possessed the skill or capability to play the guitar at the age of ten. The modal verb "could" also indicates the ability or skill to perform the action.

4) I might travel to New York next year.
Explanation: In this sentence, the phrase "it's possible" suggests the idea that there is a chance or likelihood of traveling to New York next year. The modal verb "might" also conveys the possibility or probability of the action happening.

5) You must not eat food in the museum.
Explanation: In this sentence, the phrase "is not allowed" indicates that eating food is prohibited or prohibited in the museum. The modal verb "must not" conveys the idea of a strong prohibition or rule against performing the action.

6) I suggest that you leave some of your holiday money in the hotel.
Explanation: In this sentence, the phrase "I advise you to" expresses the idea of giving a suggestion or recommendation to leave some of your holiday money in the hotel. The modal verb "suggest" also conveys the idea of offering advice or a recommendation.