例句與造句

1. The principal is currently John Penrod, and David Knudsen and DeAnn Nielsen are the Assistant Principals.
2. "' David Knudsen Levine "'( born c . 1955 ) is the John H . Biggs Distinguished Professor of Economics at Washington University in St . Louis.
3. It's difficult to find david knudsen in a sentence. 用david knudsen造句挺難的