Lucy’s new job paid twice as much as she had madeinthe restaurant.

There is no doubt _____ he will finish thetask in time.

It is the prevention of disease_____ itssuccessful treatment that has led to the rapid increase of the world’spopulation.

Ordinary woman though she is, she has won the award because she tries every means to makepeople _______ of the importance of the environment conservation.[ ]

We should leave early tomorrow morning， _____ we won’t get there on time.