Question

S1hcerely
45.
to find vaccine for corona virus.
The researcher said, he will
(Pick the right idiom)
(1) leave no stone unturned.
(3)break the ice.
(2) eat humble pie.
4) add fuel to the fire.
​

Answer 1

Answer:

leave no stone unturned is the answer.

please mark me as BRAINLIST or thank my 10 answers

Answer 2

Explanation:

1 leave no stone unturned