How long has the man worked on his invention?
A: for 1 year
B: for over 2 years
C: for 3 years
D: not mentioned
A: for 1 year
B: for over 2 years
C: for 3 years
D: not mentioned
举一反三
- How long has the speaker worked in the company A: Twenty years B: One year C: Ten years D: Two years
- How long has Chairman Xi Jinping lived and worked in Liangjiahe?( ) A: for eight year B: for six years C: for five years D: for seven years
- How long has Zhao Jie worked in ABC Trade Company? A: Eight months B: Eight weeks C: Eight years D: Eighty years
- How long has the magazine been on sale How long has the magazine been on sale A: for one year B: for eighteen months C: for two years
- How often is the World Cup? A: every 2 years B: every 4 years C: every year D: every 3 years