You didn’t seem to enjoy your meal very much—It’s not thatI am just ____

Very loud noisesmakepeople ill. So wemake greatnoise.

He’ll never say a word about it ___ you have explained it to him.

________ the working efficiency, the boss allows the employees to have a coffee break.[ ]

nown to us all isthat the old scientist, for life was hard in the past, still works very hard in his eighties