What's the difference between quick / rapid / fast?
In what cases each of them may be used? The same about quickly / fast / rapidly.
Put the examples, please.
Many thanks.

Question

What's the difference between  quick / rapid / fast? 
In what cases each of them may be used?  The same about quickly / fast / rapidly.
Put the examples, please.
Many thanks.

Answer

Quick= completed in a short amount of time. He was quick to finish his work/ He finished his work quickly

Rapid= moving or occurring speedily, swift, (usually involves speed). The river was flowing at a rapid rate and rapidly overflowed its banks.

Fast=  happening quickly, although usually used in comparison to something else. I was worried because the town was flooding so fast that people couldn't escape.

Answer

i cannot answer this question quickly:P

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