Would you please explain___you do to make .your students so interested in your lessons?
We live day by day,but in the great things the time of days and weeks ____ so small that a day is unimportant.
An iron and steel works, with some satellite factories, ____ to be built here.
Here is a message of importance to every man and woman who ____.
"All____present and all ____ going on well."our monitor said.
____ can be done ____ been done.