On the ground _______ a sick goat, whose life was in danger.   

—Can those ____ at the back of the classroom hear me?---No problem.

In 1911, Madam Curie received a second Nobel Prize for her research, the first person in the world ______ two Nobel Prizes.

When I opened the door, I found my father ______ in his chair, completely ______ in a magazine.

Victor apologized for　　　　　　  to inform me of the change in the plan.