MY YOUNGER BROTHER _____ STAY UP LATE, BUT I DID.A. USED TO NOT B....

36/ - BO DE KIEM TRA ANH 10 HKI
Lớp 10 BO DE KIEM TRA ANH 10 HKI
36/ My younger brother _____ stay up late, but I did.A. used to not B. didn't use to C. used not to D.wasn't used to