The number of people who were invited ____ fifty, but a few of them ____ absent for different reasons.[ ]

the office! So you _____ know eating is notallowed here —- Oh, sorry

I don’t know _____ it next.

How old can you guess your new English teacher is — It’s hard to say. But I guess him to be _____between 35 and 40.

The professor gave orders that the test ____before5:30.