He had his camera ready ________ he saw something that would make a good picture.
The students competed _____the honor of winning _____each other _____the school sports meet.
The Great Wall is __________ tourist attraction that millions of people pour in every year.
She was scared the yard because she was scared by the big dog at the gate.
Mr. Robert is ________ our teacher. He is also our friend.
Health comes first. We should ______ everyday to _____.