. This tower _______ back to 1860s and it is still in good condition.
Teachers should keep students _______ a distance, but not _______ the distance.
AIDS is the biggest killer in the world, taking ________ lives each year than ________ disease.
The thunder _______ the little boy so much that he covered his cars.
The football player had ________ gift for football when he was a child. Now he is ________ second to none in the football field.
—Have you made any plan for the coming Spring Festival? —I don’t mind what to do ________ there’s less homework from the teachers and more pocket money from my parents.