1. I have been reading Le Monde for several years. → .
2. She has been standing in line for hours. → (a) Elle .
3. She has been standing in line for hours. → (b) Cela fait .
4. The Earth turns around the sun. → .
5. The Earth is turning around the sun. → .
6. Does the Earth turn around the sun? → ?
7. We start in five minutes. → .
8. Robert has been waiting for three hours. → .
9. Robert has been waiting since three o'clock. → .
10. Robert can write this letter in five minutes. → (It isn't long.) .