200
Bill has an extensive _________ of history.
His understanding of geography was _______.
An antecedent is something that ________ before.
His _________ lesson is Spanish.
He was finding his German _______ homework difficult.
He had a great __________ for professional sportsmen.
We decorated the room, in ___________ for the party.
Rubber is a flexible ________.
His latest film is full of ________ action.