It’s a chicken-and-egg question. I can’t answeryou now.

_____ all my colleagues, I’d like to show all my sincere thanks to you for your devotion to our research

They don’t agree with .They think her opinion seems to be better than .

You ________ reach him on his mobile now — his mobile is still under repair.

Wind power is an ancient source of energy___________ we may return in the near future.