Replace the underlined word with a word that has a similar meaning

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers.
   guarded      innermost      reveal      suppress      uneasy      vulnerable   
1. I felt uncomfortable when he talked about his marriage problems.
2. He wouldn’t disclose information if he thought it was secret
3. I think it’s dangerous to bottle up your feelings
4. It’s a difficult time for him and he’s very weak and easily hurt
5. She’s a bit cautious if you ask about her private life
6. He’s happy to tell anyone his most personal and private thoughts