Fill in the blank: “Lay _______ something for the rainy day.”
Fill in the blank: “Lay _______ something for the rainy day.”
(A) Down
(B) By
(C) Before
(D) On
Correct option is (B) By. “Lay by” is a phrasal verb, means to save something for future. So, laying by something for rainy days means saving or setting aside resources to be used in times of need or difficulty.