15. His business is going badly - he'll have to stop doing it soon. (CLOSE)
→........
16. My aunt has got two teenage children, but they don't seem to have a good relationship
with each other. (GET)
→...
17.. 'What do we do to make Linh feel happier?' they wondered.
→ they wondered
18. I forgot to keep the milk in the refrigerator, so it went bad. (because)
→......
19. Cost of living in the city is more expensive than in the countryside one.
→Cost of living in the countryside
20.