What a big surprise to see you here! I _______ you ____ still abroad

It may be 5 or 10 years __________ it is possible forpeople to find a space station on the moon

My brother wants ____ orange, not ____ orange juice,

The government has decided to give preference to those environmently-friendly business and companies in all aspects in _______ of sustainable development.

Do you enjoy _______ football I hear therewill be a football match tomorrow.