After the meeting, she invited us to dinner at her home and treated us _____ many exotic foods we _____ before. It was really a wonderful treat.
Lincoln died ____ the morning ___ April 15, 1865.
I haven't seen her ____ the past few years.
What have you done ____ my picture-book?
.---Do you like working as a waiter? -----Yes, but I get tired ___ the whole day.
I saw a man standing ___ the tree ___ a distance of twenty yards.