问题
选择题
--- Did he notice you enter the room?
--- I don’t think so. He ______ to the radio with his eyes shut.
A．listened
B．was listening
C．has listened
D．had listened
答案
B
He _____ to the radio with his eyes shut.后省略了when I entered the room。此处意为“（当我进入那个房间时，）他正闭着眼睛听收音机”。