Spelling the word endings ous and us

Guess the word and work out the missing letters.
There could be 2, 3 or 4 letters, forming 1 or 2 syllables.

Work out which letters are missing	Type the whole word:
The judge said it was a very ser___ crime.
I object to animals performing in a circ___.
Thank you for your gener___ donation.
Another word for hasty or impulsive: impet___
He has had numer___ offers of employment.
I've met her on two prev___ occasions.
A large part of Austria is mountain___.
Another word for polite: court___
All the surpl___ stock was given to charity.
There was spontan___ applause when he spoke.
The victor___ team celebrated in style.
Standing out in a crowd: conspic___

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The Spellzone interactive course is intended to be used online and may not be printed.