Ksenia, present perfect simple and present perfect continuous

Jack ​ (a)   an active participant in charity work for many years, and his recent involvement in the charity project has been a great example of his commitment to making a positive impact on society.

• has been
• has been being

He ​ (a)   to various organizations and ​ (b)   his time and efforts to help those in need.

• has been donating
• volunteering
• has donated
• volunteered

Recently, Jack ​ (a)   in a new charity project ​that (b)   for several months.

• has been participating
• has been ongoing
• has participated
• has ongone

Over the past few weeks, Jack ​ (a)   tirelessly with the other volunteers to organize a charity event. He ​ (b)   potential sponsors and donors, coordinating with vendors, and promoting the event on social media. He has also been attending regular meetings with the team to ensure that everything is on track and that the event will be a success.Jack feels proud of his contribution to the project and the impact it will have on the people it is intended to help.

• has been working
• has been calling
• has worked
• has called

Many people already ​ (a)   generously to Red Nose Day 2023 to help support children in need.

• have donated
• have been donating

The organizers of Red Nose Day 2023​ (a)   tirelessly to plan and promote the event for months.

• have been working
• have worked

I ​ (a)   in Red Nose Day for several years, and I am excited to continue supporting the cause this year.

• have participated
• have been participating

Over the past few weeks, celebrities ​ (a)   their platforms to raise awareness about Red Nose Day 2023 and encourage others to donate.

• have been using
• have used

The Red Nose Day 2023 telethon ​ (a)   on for hours, and they already ​ (b)   a significant amount of money for charity.

• has been going
• have raised
• has gone
• has been
• have been raising

She ​ (a)   a novel every year since she was 20 years old.

• has written
• has been writing