Ex. 4

1. went
2. built
3. spent
4. spoke
5. knew
6. told
7. ate
8. saw
9. had
10. Did you have

Ex. 5

1. She didn't go yesterday. She went last weekend.
2. The English didn't build Sauran. The Arabs built Sauran.
3. They didn't spend the whole day there. They spent the whole morning there.
4. They didn't speak to some tour guides. They spoke to some archaeologists.
5. They didn't eat their picnic inside. They ate a picnic outside in the sunshine.
6. They didn't see lots of people exploring the city. They saw eagles, horses, lizards and cute tortoises exploring the ancient city.