Ответ:
- You must be careful.
- I think that this book is useful.
- Shakespeare is known for writing many plays.
- I am very grateful to you for your help.
- A country which is situated in the mountains is called mountainous.
- Wild animals can be dangerous.
- Andersen wrote wonderful fairy tales.
careful — осторожный; useful — полезный; grateful — благодарный; mountainous — горный; dangerous — опасный; wonderful — чудесный.
