The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.
We went to see our teacher ___ husband lost his life in the earthquake.
My parents said to me , “Don’t throw waste paper about.” ---- My parents told me _________.
—I’m going to Betty’s birthday party. Bye-bye, Mom.—_____, baby.
Was it in the village ____we used to live _____ the accident happened?
From his _____look , we could see that he hadn’t expected that we could raise such ______questions to him.