Hi Erica,
I (1) ……………………… on holiday with my sister. We’re staying in (2) ……………………… apartment in Budapest. The weather isn’t very good (3) ……………………… that’s OK because there are a lot of things to do. Yesterday we
(4) ……………………… to Buda castle. It was very interesting. We’re going (5) ……………………… the famous Széchenyi swimming pool this afternoon.
See you soon.
Love Tom

1. I have already written my composition. May I go out? Present Perfect (обратите  внимание на слово written - удвоенная t)

2. How many pages of this book have you read? Present Perfect

3. Mike has just received a letter.Present Perfect

4. We had already  tided all the rooms when the guests arrived. Past Perfect

5. I'll have carried out all my duties by the end of this year. Future Perfect

6. What have you done for your homework? Present Perfect

7. The students had learned all the words by the time their teacher came. Past Perfect

8.  Have you ever been to St. Petersburg? Present Perfect

9. We hadn't posted the letter before they arrived. Past Perfect

10. What  has happened? Why is she crying? Present Perfect

1. I have already written my composition. May I go out? present

2. How many pages of this book have you read? present

3. Mike has just received a letter. present

4. We had already  tided all the rooms when the guests arrived. past

5. I will have carried out all my duties by the end of this year. future

6. What have you done for your homework? present

7. The students had learned all the words by the time their teacher came. past

8.  Have you ever been to St. Petersburg? present

9. We hadn''t posted the letter before they arrived. past

10. What  has happened? Why is she crying? present

все правильно