You have to work hard if you want to__________in your courses. I___________to pass the final exam with a fairly good grade. ___________after you left, a girl came into our office looking for you. Mary is my best friend and I always___________my secrets with her. When you are away from your family, you have to be ___________for yourself. If you can’t ____________ (with) the job, I’ll get someone else to do it. The lost traveler was filled with____________when he saw a bear running toward him. The earth is____________by air. George is a very____________boy. Children in China___________ (into) school at the age of 6 or 7.