Match the synonyms. Then use them in the given sentences

1. Halloween costumes do not have to be frightening, they are sometimes cute or funny.
   Halloween costumes do not have to be [ ] , they are sometimes cute or funny.
2. He knew that in Singapore they do not drop rubbish on the streets, so he did it on purpose.
   He knew that in Singapore they do not drop rubbish on the streets, so he did it [ ] .
3. I am against setting up new software very frequently because I believe they only make money on this.
   I am against [ ] new software very frequently because I believe they only make money on this.
4. I am going to take part in a marathon next month.
   I [ ] take part in a marathon next month.
5. I can never admit that I am wrong.
   I can never [ ] that I am wrong.
6. Mike didn't manage to give me a precise description of the new project.
   Mike didn't manage to give me an [ ] description of the new project.
7. So many efforts as in his case inevitably lead to success.
   So many [ ] as in his case inevitably lead to success.