Answer:
Question is not clear. Is this the complete question?
All the Birlings commit crimes similar to the seven deadly sins. Mr Birling is greedy - he wants far more money. Sheila is guilt of wrath and envy as she complains about Eva Smith etc.
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Answer: Increase the frequency, A
Explanation: Reduce Recovery Time And Resistance. To build muscle endurance, limit your recovery time between sets to 30 to 90 seconds. ...
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In this particular sentence the word '</span><span>persevering</span><span>' is a gerund. Gerund is a part of speech which is a verb form functioning as a noun. Also, the most recognizable peculiarity of gerund is ending -ing. But in order to identify whether it is a gerund or not, you need a context.
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