Question

Use - it's, - or, - er to form noun
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Answer 1

Ответ:

It's usually added to verbs to make nouns with the meaning 'a person or thing that does something' for example: builder, farmer, sprinkler, or beeper. The -er ending can also be used to form nouns meaning: 'a person or thing that has a particular quality or form', for example:double-decker, two-wheeler, skyscraper.

Объяснение: