помогите завтра сдавать там нужно слово ago, и used

#51 at half past nine2 an hour ago3 at a quarter past twelve 4 half an hour ago#61 She used to have a sleep in the afternoon.2 She didn’t use to ride a bike.3 She used to have short hair.4 She didn’t use to play computer games.5 She used to drink milk.6 She didn’t use to have a younger brother.