In Scandinavian countries it is common ____ for the husband to stay at home to look after the baby.

He was ready to take the________ of being drowned himself to save the drowning child.

—She got her first science fiction published. It turned out to be________.—When was that?—It was in 2009 ________ she was still in college.

China sent up two manned spaceships and they were also great scientific _______ in the world.

In my opinion, it was really a great ______ for her to be pleasant to people she didn’t like.