1.Thank you for visiting our nursing home. It was great fun last weekend.

Question

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In Sentence 1, what does 'It" refer to?

2. Look at the elderly person.
3. Look at the elderly people.
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Are both OK? Is Sentence 2 grammatical? Can we use the singular noun after 'elderly'?

Answer 1

1. The visit.

Elderly can be used to modify both.