Englishfor English speakers
readily
Adverb
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When you do something readily, you do it without any doubt about it.
When I needed help carrying my bag of groceries, a young man came over readily to help.
react
Verb
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If you react to a person or event, you do something because of the person or event.
When someone shouts at you, you usually react by shouting back.
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If you react to a medicine or other substance, something happens in your body because of it.
She reacts badly to asprin. Her skin becomes red all over her body.
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When two or more chemicals react, they combine to form new chemical compounds.
Acids and alkalis normally react to form salt and water.
with
Preposition
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With is used to show the other people or things present when something happened
I went to school with my brother.
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With is used to describe something added to something else
The cat has a collar with a bell on it.
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With is used to show what thing is used to do something
He hit the nail with a hammer.
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Used to introduce non-finite and verbless clauses.
With the children so sick, we weren't able to get much work done.