Students must register for classes as their --- times. Please check the website to find out the time that has been assigned to you.

It was --- from the bruise on the boy's face that he had been hurt.

Many Internet services offer tools for parents to --- what their children can see.

The boy got angry and --- threw the toy across the room. Now he's sorry he did it.

The child wasn't listening, so I tried a more --- approach. I asked her to play with me.

Nowadays, teachers spend more time teaching basic skills, and ---, young children have less time to play.

Psychology researchers --- experiments to test their ideas about human behavior.

Soccer and tennis are --- activities; they have very clear rules for players.

The ability to play is -- for human beings. It helps us be happy and innovative.

You may think children's games are simple, but they are actually quite --- and have many rules.