One of the most important questions they had to consider was__________ of public health
— Jeff, what’s up? You are not yourself today. — Oh, mom. I really wish I ______ the chance but I failed.
Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.
We’re advised not to leave the water ______ after using it.
She ______ have attended that meeting, for she was doing paperwork in the office then.
I know little about the accident because not much ______ about it up to now.