I am sorry I am not_____ fast.
Chọn đáp án B
Astronauts_____ in their spaceship, but they frequently work outside now.
Michael_____ care of himself. He left home when he was 15 and has been on his own ever since.
Dick_____ a moustache, but he doesn't any more. He shaved it off because his wife didn't like it.
I _____ on busy highways in big cities. I've been doing it ever since I learned how to drive.