In that country, guests usually feel that they are not highly ________ if the invitation to a dinner party is given only three or four days before the party date.
If the boy had _____ the dog alone it wouldn't have bitten him.
We made plans for a visit but _____ difficulties with the car prevented it.
The generation _____ makes it difficult for parents to understand their children's opinions.
John _____ knowledge of radio just by staying around the radio station.
With sufficient scientific information a manned trip to Mars should be _____.