they demanded a rise in there wages ( )up for the( )cost of living.

问题描述:

they demanded a rise in there wages ( )up for the( )cost of living.
they demanded a rise in there wages ( A )up for the( )cost of living.
A.to make/increase 为什么不是increasing?

他们决定加薪以补偿生活费用
make up for 补偿�ڶ���Ϊʲô����increasing?the increasing ǿ�������ӡ��������the increaseǿ�������ӡ��Ľ��Ӱ��