1 . _____________ cease(终止) advertising, prices would be significantly reduced.

A．Were they to	B．Could they
C．If they	D．Would they

2 . _______ the new paints and the new technique, we would not be able to see the many great masterpieces for which this period is famous.

A．Were it not	B．Had it not been for
C．Were there not for	D．Were there not

3 . __________Anirban Maitra, a professor at Oxford University, Jack’s success would not have been possible.

A．If it weren’t for	B．Were it not for
C．Had it not been for	D．If it hasn’t been for