Which adverb can fit this blank 1 Karan worked at his sums ________ for an hour without a break - English - Adverbs

Question

Which adverb can fit this blank?
1 Karan worked at his sums ________ for an hour without a break
(8-letter word starting with 's')

Sripriya · Accepted Answer

Karan worked at his sums straight for an
hour

Which adverb can fit this blank? 1.Karan worked at his sums ________ for an hour without a break. (8-letter word starting with 's')