Cloning an animal is a complex ________ that can go fatally wrong at any stage.

James took the magazines off the little table to make_______for the television.

We look forward to the day when motorcars will be replaced by some less dangerous ____ of transport.

I am considering changing to a more interesting job, as the present job, which requires a lot of _______, nearly bores me to death. 

Always read the ______ on the bottle carefully and take the right amount of medicine.