By the middle of the 1920s the farthest corners of the earth explored.
—I must apologize for what my son did yesterday.— Children are children.
Mr.Smith is trying to hire a new secretary, who can both type and drive.
As we all know, tigers are in danger of dying out.
Little Tony insisted that his mother _____ him to school.
When they knew there was a panda in the zoo, the children could ___ wait to see it.