Решение:
Заполняем пропуски собственными идеями:
- I think dogs are great, but I don't like cats because they are less friendly.
- I don't think a cinema is a good place to go for lunch because it's usually crowded.
- People think pizza is amazing, but I don't like it because it's too greasy.
- My friend thinks horror movies is awful, but I think it's exciting.
Ответ: 1. dogs, cats, they are less friendly. 2. a cinema, it's usually crowded. 3. pizza, it's too greasy. 4. horror movies, exciting.