The organizers promise ________wins the first prize a chance to go abroad。
We suggest that they provide an effective warning system to ________ many of the disasters ________.
She started as an office junior, and ________ became the director of the whole company.
Freezing winter is harmful ________ orange trees.
The villagers were often in _______ clashes with each other in those years before the agreement was reached.
He exists ________ bread and water.