_ the calculation is right, scientists can neverbe sure that they have included all variables and modeled themaccurately

Please give Jim the schedule for tomorrow’s conference when he _______ backHe is to chairthe conference

ry I didn’t phone you, but I’ve been very busy ___ the past couple of weeks.

Frank put the medicine in the topdrawer to make sure it would not be ______ to the kids.[ ]

It’s the third time ______ late this month.