quelqu'un pourrait me donner un coup de main svp
p. s. je ne trouve pas d'erreur

Bonsoir pouvez-vous m’aider pour cet exercice en anglais d’avance pour votre aide: tick the correct answer: 1)steve biko received his primary education during the time of bantu education /which/that/nothing)was designed to give black young people the skills to become manual labourers, and nothing more 2)as a medical student studying at the university of natal, steve biko founded the south african students’ organisation(/which/that/nothing)pl ayed a key role in the anti-apartheid struggle 3)biko created a new way of /which/that/nothing)became known as «black consciousness  » 4)from 1975 to 1977, he was detained four times by the /which/that/nothing)found his liberation teachings highly threatening 5)the /which/that/nothing)were called to treat biko ignored his horrific injuries