.— When did they come back last night?— It was midnight ____ all of us were sleeping.
Barrack Obama __________ President of the United States since 2010.
The matter __________ your fate can't be taken for granted. You have to think it over seriously.
Not many people __________ the idea that money brings happiness.
On the __________ first day, our teacher told us that it was vital that we __________ notes in English class.
Please __________ that you must review your lesson after class.