1-C. I need a bigger refrigerator, but I'll have to do without a new one until I can afford it.I need a bigger refrigerator, but I'll have to do without a new one until I can afford it.
2-C. Before refrigerators became common, vinegar was vitally important in preserving food in the form of pickles.Before refrigerators became common, vinegar was vitally important in preserving food in the form of pickles.