The soldier was ____ of running away when the enemy attacked.
I felt very tired when I got home. and I _______ straight to bed.
Nowadays, many people walk to work ________ Copenhagen Conference calling for living a low-carbon lifestyle to cope with global warming.
Helen alway s helps her mother even though going to school _____ most of her day.
During the last three decades, the number of people participating in physical fitness programs ________ sharply.
You can imagine the difficulty they have ________ such a large population.