There were only __________ as ten years ago on the hill.
You have been sitting on my hat and now it is badly out of______。
Always read the_______on the bottle carefully and take the right amount of medicine.
At the meeting they discussed three different_______to the study of mathematics。
He was chosen _________ of the company.
In the botanic garden we can find a(n)______of plants that range from tall trees to small flowers.