Is your father or mother a teachers— . My father is a doctor and my mother is an office worker.

In order to catch up with others, I often stay up late to work. —You’d better not, or you will ______ sooner or later.[ ]

There is a great deal of evidence _______ that musicactivities engage different parts of the brain.

Not only his students to know more about modern science,but hard to develop a curiosity about nature among them.

The next morning I________ myself up for lost when I was spotted by a ship