Переведите в Reported speech пожалуйста!!! Упражнение 21

1.Nick asked Lena how big London was compared with other cities.2.Nick asked Lena where people usually arrived when they travelled to Britain by sea or air and why.3.Nick asked Lena what the principal cities in the Southeast were. 4.Nick asked Lena what country was called the“garden"of England.5.Nick asked Lena what  the Southeast was famous for.6.Nick asked Lena why people found the Southeast attractive.7.Nick asked Lena why Land's End was called that way.8.Nick asked Lena why she thought tourists often  came to Cambridge.9.Nick asked Lena where Oliver Cromwell was from and what she could say about the man?10.Nick asked Lena what  the most important cities in England were.11.Nick asked Lena what Stratford-upon-Avon was famous for.12.Nick asked Lena what  the main attractions of the North of England were.13.Nick asked Lena what she knew about Hadrian's Wall.