1. According to the text, the naughtiest rabbit is D. Peter from the sentence "But peter was naughty"  while Floppy, Mopsy, and Cotton-tail were good little rabbits.

2. According to the text, they ate C. Blackberries from the sentence "They went down the lane to pick Blackberries".

3. According to the text, Peter lost D. a pair of shoes from the sentence "He lost a pair of shoes and a jacket while he was running."

4. According to the text, Peter got sick because A. He was so tired from the sentence "During the evening, he was sick because he was so tired".

5. According to the text, peter met B. Mr. McGregor from the sentence "Suddenly, he met Mr. McGregor".

6. The students C. are cleaning the class since 30 minutes ago (Present Continuous Tense)

7. The teacher D. is explaining the lesson to the students for 20 minutes (Present Continuous Tense)

8. When the teacher A. entered the room, the students were talking (Past Continuous Tense)

9. My - Father - Has - Worked - In - The Museum - Since - Fifteen Years - Ago

9 - 2 - 7 - 1 - 8 - 5 - 3 - 6 - 4 (B)

10.  A. Attend (Attend has the same meaning as come)

11. A cake is cooked by mother in the kitchen

12. Some tasks were written by the students in the class

13. The song was sung beautifully by Rina

14. A cup of coffee is being drunk by Father every morning

15.  A new dress was bought by me