September 30 is the day_______which you must pay your bill.
The head of the company promised to deal with matters of this sort _____he returned to his office.
The disk ,digitally ______in the studio, sounded fantastic at the party that night.
Scientists are convinced _____the positive effect of laughter _____physical and mental health.
We had wanted to finish our task by noon, but it didn’t quite ______.
____you eat the correct foods _____be able to keep fit and stay healthy.