John Gill Commentary Exodus 15:24

"And the people murmured against Moses, saying, What shall we drink?" — Exodus 15:24 (ASV)

And the people murmured against Moses
For bringing them into a wilderness where they could find no water fit to drink; saying:

what shall we drink ?
what shall we do for drink? where can we drink? this water is not drinkable, and, unless we have something to drink, we, and our wives, and children, and servants, and cattle, must all perish.