b. Have you ever eaten pizza? Yes, I have. I ate it yesterday.
c. Have you ever seen a ghost? No, I have not.
d. Have you ever met a famous person? Yes, I have. I met her last year.
e. Have you ever played football? Yes, I have. I played football last month.
f. Have you ever given your teacher a present? Yes, I have. I gave her a present last Christmas.
g. Have you ever played the piano? Yes, I have. I played the piano last Monday.
h. Have you ever watched this film? Yes, I have. I watched it a year ago.
2.Мы должны Защищать и оберегать природу,чтобы сохранить наш мир чистым и красивым:we need to protect and preserve nature, to keep our world clean and beautiful