You should say:

• Who he/she is
• How you knew him/her
• What you do together
• And explain why he/she is interesting

Sample Answers: https://ieltsquangtri.com/describe-an-interesting-neighbor/

You should say:

• Where it is
• How you knew it
• How often you go there
• What you do there
• And explain how you feel about the place

Sample Answers: https://ieltsquangtri.com/describe-a-quiet-place-you-like-to-go/

You should say:

• What it is
• How you found out about it
• What you did
• And explain whether it made you happy

Sample Answer: https://ieltsquangtri.com/describe-something-that-surprised-you/

You should say:

• Who/ he/she is
• Whether you worked together before
• What kind of work you would like to do with him/ her
• And explain how you feel about this family member

Sample Answers: https://ieltsquangtri.com/describe-a-family-member-who-you-want-to-work-with-in-the-future/

You should say:

• What you lost
• When and where you lost it
• What you did to find it
• And explain how you felt about it

Sample Answers: https://ieltsquangtri.com/describe-an-occasion-that-you-lost-something/

You should say:

• What the contest/ competition is about
• where the contest/ competition will take place
• When it will be held.
• And explain why you would like to participate.

Sample Answers: https://ieltsquangtri.com/describe-a-contest-or-competition-you-would-like-to-participate-in/