をおぼえてるか

do you remember?

→ を
phrase Uncommon #12,775
do you remember? An informal way to ask whether someone remembers something. The を marks the thing being remembered, and か makes it a question. More polite forms include を覚えていますか and を覚えてますか.
JA: あの町をおぼえてるか?
EN: Do you remember that town?

ロシア人は皆そこへ行くあのホッケー選手グロモフをおぼえてるか

All Russians go there. Do you remember that hockey player, Gromov?

— Брат 2 (2000)

見た目クリスティ・ラブあの番組をおぼえてるか

She looks like Christie Love. Do you remember that show?

— レザボア・ドッグス (1992)

リチャードロシアホッケー選手について頼んだことをおぼえてるか

Do you remember what I asked about Richard, the Russian hockey player?

— Брат 2 (2000)