I.
2. -> She is said to be very intelligent.
4. -> If I had known you were coming, I would have waited for you.
6. -> The last time I met Jane was five years ago.
7. Bạn làm sai rồi nhé!
-> Minh said that his father was working in the garden then.
8. Câu này mình nghĩ không được hợp lí lắm! :)
-> This question can't be answered.
9. -> That book has been translated into many languages by translators.
11. Câu này phải là How chứ nhỉ!?
-> How are languages learnt?
12. Bạn có thể bỏ từ by someone đi nhé!
14. -> Nothing has been moved in your room.
II.
1. -> He started to play the piano five years ago.
2. Câu này không thấy rõ đề lắm :)