The key answer of exercise 3

a)

1. Lydia is working in a restaurant at the moment.
2. She wants to become a social worker.
3. She's applying for lots of jobs.
4. Isabel is getting old.
5. She always pulls faces in photos,
6. Jess's grandparents go out a lot.
7. Luxmmi is training to be a dentist.
8. Joe is wearing sunglasses.
9. Joe's living in a student house at the moment.
10. He doesn't like the city very much.

Form of Present continuous: am / are / is + -ing

b)

• Present simple 1: She always pulls faces in photos. / Jess's grandparents go out a lot.
• Present simple 2: She wants to become a social worker.
• Present continuous 1: Joe is wearing sunglasses.
• Present continuous 2: Luxmmi is training to be a dentist.
• Present continuous 3: Lydia is working in a restaurant at the moment.
• Present continuous 4: Isabel is getting old.