решите пожалуйста я не понимаю как. ​

2.1
1. his
2. your
3. mine
4. ours
5. my
2.2
1. at
2. in
3. in
4. on
5. at
2.3
1. eats
2. drank
3. is walking
4. visit
5. met
2.4
1. about
2. in
3. on