The airport was built years ago, for some reason, it could not be used then.
举一反三
- She said to me that This old airport built ten years ago ___.
- 中国大学MOOC: Although the hall was built many years ago, we still use it for ______ purpose.
- Twenty years ago it was common to see people ________ from hunger on the streets in that poor nation, but clearly the situation has improved greatly since then.
- If we need some help at the airport, what kinds of signs below could we look for?
- When did the Internet get started? A: Fifteen years ago B: Fifty years ago C: Seventy years ago D: Eighty years ago