Question

I heard him _______ the piano in the next room at 10:00 last night.

A．played

B．to play

C．playing

D．plays

Answer 1

C

昨天晚上十點(diǎn)表示的過去具體的時(shí)間，前句中聽到別人在彈鋼琴應(yīng)該是過去正在發(fā)生的是，hear sb doing表示此意思，故選C。