indéfini: 32 phrases in 20 subjects |
Agriculture | 1 |
Astronomy | 1 |
Aviation | 2 |
Business | 1 |
Chemistry | 1 |
Computers | 2 |
Corporate governance | 2 |
Environment | 1 |
Food industry | 1 |
General | 2 |
Grammar | 2 |
Hydraulic engineering | 2 |
Information technology | 3 |
Mathematics | 2 |
Mechanic engineering | 1 |
Meteorology | 1 |
Patents | 1 |
Physics | 1 |
Politics | 1 |
Technology | 4 |