1) nick says he (to forget) to buy vegetables for dinner and asks me to do it, but i can`t. i am doing my homework, i (do) it for two hours already and i (not, finish) all the exercises yet.

Has forgotten.have been doing.haven't
finished

Nick says he forgot to buy vegetables for dinner and asks me to do it,but I cant.I'm doing my homework,i did it for 2 hours already and I havent finished all the exercises yet