We each other since known; ten years ago.
A: have known; ten years ago
B: knew; ten years ago
C: have known; ten years
D: knew; ten years
A: have known; ten years ago
B: knew; ten years ago
C: have known; ten years
D: knew; ten years
举一反三
- Have we really known each other for ten years? It ____________ just a few days!
- I __________Tom for about ten years now. A: have been knowing B: have known C: knew
- Is this the factory ______ he worked ten years ago?
- Fortunemagazine around ten years ago stated that bands have the power to change the world.
- The river ______ very clean ten years ago, but now it is polluted.