Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
The island where these rare birds nest has been declared a _____.
Kate's ambition to become a nurse _____ from a desire to help others.
Dress warmly, _____ you'll catch cold.
They have held several meetings to _____ next year's production plans.
It is wrong for someone in such a high _____ in the government to behave too badly in public.