English » Sentence Improvement
Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.
In the olden days, many people use to think that the earth was flat.
No substitution required
people were thinking
people were used to think
people used to think
option D is the right answer.
replace use to think with used to think
used to- shows a habit from past