How long have the tucks lived in their home ?

20 years

Explanation:

20 years

The Tucks, have lived at their house for 20 years, and they are thinking about moving to another house because people suspect them.

chapter i -- paris: september, 1792

a surging, seething, murmuring crowd of beings that are human only in name, for to the eye and ear they seem naught but savage creatures, animated by vile passions and by the lust of vengeance and of hate.

during the greater part of the day the guillotine had been kept busy at its ghastly work: all that france had boasted of in the past centuries, of ancient names, and blue blood, had paid toll to her desire for liberty and for fraternity.

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the following what exactly?