1. I’ve
2. Tidied
3. Have you lived
4. Went
5. You’ve visited
6. Haven’t given
7. Did you go
8. Have you ever sent

1. Heard
2. Arrived
3. Been writing
4. Been talking
5. Invited
6. Been reading
7. Been playing

Unit 5

1. B
2. A
3. A
4. B
5. A
6. A
7. B

Across

2. Revise
4. Smart
6. Subject
8. Concentrated

Down
1. Mental
3. Mark
4. Search
5. Hesitated
7. Brain