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The pencil crayons are ordered _________ to their colour.
 
David has a bad cold and a _____.
 
Ecosystems are groups of living things that support the _________ of each other.
 
He was more of a _________ than a help!
 
Please give this task your _________ attention.
 
An _________ is a material that does not conduct electricity or transfer energy well.
 
The security guard was very _________.
 
Jane had to ________ the cloakroom to get her gloves.
 
She apologised very _________.
 
This room needs a ________ clean.