I don't remember___________ to the airport that year.
Look at this! I__some magazines and _____ this letter.
The train _____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
The plane _____ at 7:00 p.m., so I have to be at the airport by 6:40 at the latest.
— Did he notice you enter the room? — I don’t think so. He _____ to the radio with his eyes shut.
— Tom, did Mr. Li join you in your discussion? — No, he _____, but he happened to have fallen ill.