Fill in the gaps with the missing expressions to complete the sentences

• discussed
• exchanged
• contributed
• involve
• drew
• put him down
• handle the conflict
• attracting

1. The experts questioned
   the hypothesis that had been put forward and proposed to conduct a study that would [ ]
   representatives from different countries. They also [ ] the researcher's
   attention to the necessity of in-depth analysis.
2. The specialists shared information and [ ]
   the major issues after the conference. Besides, they [ ]
   ideas that [ ]
   to the success of the project.
3. Don't [ ]
   anymore and apologise to him if you want to [ ]
   in a mature and respectful manner.
4. Being rather self-centred, Jane likes [ ]
   attention to herself.