1. After an ______ investigation, the police were able to track down the burglar.

2. I had to use all my strength to ______ my dog from running away when it saw a squirrel in the park.

3. His old wooden armchair was ______, so he decided to get a new one.

4. Jason ______ his parents' offer to lend him money to start a business as he wanted to be independent.

5. Grandfather wanted a quiet sixtieth birthday celebration without any ______.