Isaw f lot jf beatiful places last summer. составить пять вопросительных предложений.who/ what/when/how many

Did you (I) see a lot of beautiful places last summer?
Who saw a lot of beautiful places last summer?
What did you (I) see last summer?
When did you ( I) see a lot of beautiful places?
How many beautiful places did you ( I) see last summer?