John is the only one of the students in the class that never_____ a mistake even when it is pointed to him.
The patient was warned _______ oily food after the operation.
_______ in thought, he almost ran into the car in front of him.
Paul doesn’t have to be made _______. He always works hard.
The boy wanted to ride his bicycle in the street, but his mother told him _______.
We agreed _______ here but so far she hasn’t turned up yet.