Пожалуйста составьте мне предложения и вопросы (to be, present simple) 10

1) She is beautiful. - Is she beautiful?
2) The problem is easy to solve. - Is the problem easy to solve?
3) You are richer than Mary. - Who is richer than Mary?
4) Those people were rather young. - Were those people young?
5) Your t-shirt is dirty. - Is your t-shirt dirty?
6) Both of them are big. - Are both of them big?
7) We are bad at tennis. - Are we bad at tennis?
8) I was able to run fast then. - Was I able to run fast then?
9) Her clothes are definitely expensive. - Are her clothes expensive?
10) His room is clean. - Is his room clean?