Bonjour je ne comprends pas, aide-moi s’il vous plaît :)

2 Complète les phrases avec used to / didn't use to et un des
verbes suivants : build, live, hunt, recognize, stay, speak.
a. Aboriginals in peace on their land.
b. Aboriginals shelters to protect themselves
from the rain.
c. When they were young, they kangaroos
with their tribe.
d. Aboriginals long around the same arca, but
now it's more difficult for them to move
. Aborigines many different languages, but
now they mostly use English,
f. The Australian government Aborigines
as Australian citizens, but fortunately things
have changed.
Merci en avance :))