The math teacher knows that if Tom doesn't know how to solve this difficult problem, chances are that other students in the class probably don't know how to solve it, either.
Scientists have done countless experiements to show that compliments are far more effective than criticism in changing people's behavior.
I know for sure that many young people now have the habit of doing their homework while listening to music.
The Mayor in his TV talk discussed in details about road safety issue. He mentioned that since Janurary, death caused by traffic accident has been on the rise.
This story is composed of two parts.
You were screaming at me. You owe me an apology.
This novel is based on some of my best friends' lives.
He always acts on principles.
Virginia is named after the Virgin Queen.
The inclement weather has set back the launch of the satellite.
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