Give the correct form of the words in the brackets

Ex2. Give the correct form of the words in the brackets.
1. He fell off the bike, but his ............................... were not serious. (injure)
2. She gave me a ............................... of the new house. (demonstrate)
3. The shop ............................. showed me a lot of new models. (assist)
4. You must read the following ............................... precautions carefully. (safe)
5. You shouldn’t talk about her character only through her .......................... (appear)