২৪৫২১
None of the students in the class left any doubt _____ enjoyed this class.
উত্তর
as to whether or not he/she
২৪৫২২
Susan's self-confidence was _____ as she had scored poorly in the exam.
উত্তর
demoralized
২৪৫২৩
The students have submitted the report today which they _____ to bring yesterday.
উত্তর
were supposed