Correct mistakes in the sentences

1. I don't need
   [ ]
   to bake a cake.
2. We have
   [ ]
   in our fridge: bananas, apples and some kiwis.
3. Do we have
   [ ]
   for sauce?
4. Her parents work a lot, but they earn
   [ ].
5. They have found
   [ ]
   in the forest near the lake.