11.

1.This computer is old but it is very good

2.My laptop is big but it is easy to use

3.The cameras are light but they're good quality

4.I have a new mobile phone but it isn't expensive

5.This tablet is old but it is fast

12.

1. It is small but it is easy to use

2.It is also pretty new but it is not expensive

3.I can take photos but i can't make %lms

4.This cellphone is light but it has good memory

5.It is cheap but it is fantastic

13.

1.I can play football, basketball, badminton and much more

2.I can cook a vast variety of food and i'm able to play many musical instruments