While ____ the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.
It took him a long time to _________ the skills he needed to become a professional artist.
She fulfilled her ________ to become the first woman to run the 10 000 metres in under 30 minutes.
In this picture the tree is casting a __________ on the ground.
I have battled with my _________ over whether I should actually send this letter.
There is no doubt that all this puts a large _________ on a teacher with a large number of classes.