All parents love their children, ______ they make mistakes.
—Have you known Dr. Jackson for a long time?—Yes, since she________ the Chinese Society.
You may depend on __________ that they will be there on time.
The old custom __________ an old country in Europe.
Any normal boy of his age would be __________ with this game.
These children, depending on their age and skating ability, will be first __________ different classes.