All of the people at the conference are --
ক) mathematics teachers
খ) mathematics teacher
গ) mathematic's teacher
ঘ) mathematic's teacher
Related Questions
ক) contemporary : histroric
খ) present : past
গ) successor : predecesor
ঘ) first : second
ক) No one can live alone .
খ) None can live alone .
গ) Nobody can live alone.
ঘ) No man can live alone.
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