Question

Walk fast lest we __________ miss the bus. Fill in the blank
A) will
B) should
C) may
D) might

Answer 1

$\mathfrak\red{answer}$

A) Will

Walk fast lest we will miss the bus.

Answer 2

$\huge \sf \blue{ans. \: might}$

Walk fast lest we might miss the bus.

hope it helps.