The doctor will see you again next week. ____, you must rest as much as possible.

Mary is very clever and _____ worth teaching, but her brother is not. Look, he is now _____ asleep in class.

Tonny’s parents thought he was at school, but ______ he was in an Internet bar.

History is the best teacher. It ________ records the development path of each country and foretells the future to us.

–You seemed to have been impressed by his songs.--Well, not exactly so. It was his way of singing _____his voice that really impressed me.