Fill in: was/were able to, could(n’t), had been able to, should be able to or can. Sometimes several variants are possible. 1) You run much faster when you were younger.
2) On entering the house I smell something burning in the kitchen.
3) If you work quickly, you finish on time.
4) Ann read by now; she’s already six.
5) When we lived on the coast, we swim in the sea every day.
6) If Gordon find his way out of the jungle, he would have survived.
7) Last week he arrange a meeting with the Prime Minister.
8) I’m not usually very good at tennis, but yesterday I beat my brother.
9) Tom finish this today, shouldn’t he?
10) He fix the tap so he called a plumber.

1. My brother is at school. He's a student.
2. My mother is at work. She's a doctor.
3. Kate is a schoolgirl. She's 7. Now she's not at home, she's at school. She has got a lot of toys.
4. My aunt is at work. She's got a lot of work.
5. Is mother at home? Yes, she's in the kitchen.
6. They are workers. They are very busy.
7. Who are they? They are scientists
8. Helen is a painter. She's got a lot of paintings.
9. Are you an engineer? No, I'm  a doctor. My brother is an engineer.
10. My brother's name is Nick.
11. My sister's name is Mary.
12. Her cat's name is Tom. 

1)d                                                                                                                               2)e                                                                                                                               3)f                                                                                                                               4) c                                                                                                                               5) g                                                                                                                             6) a                                                                                                                             7) h, 8)i 9)b 10)j