中国大学MOOC: When _____________ the street, he noticed the old man.
举一反三
- 中国大学MOOC: The old man talks as if he ___ everything.
- The fairy helped the man because he was ( )()( ) man. A: an old B: a young C: a poor D: an honest
- The old man _______ run fast when he was very young.
- The old man looked back ______ his life when he was in hospital.
- The old man is as ____ (energy) as a young man.