Fill in the blank with appropiate word.
1) Reptiles will lay in sun to heat their body or hide____ the ground to cool their body.
a) in. b) above. c) on. d) into.

Fill in the blank with appropriate word. 
1) Reptiles will lay in sun to heat their body or hide__in__ the ground to cool their body. 
a) in. b) above. c) on. d) into.

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