--- Where are the students ? How could they keep us waiting for so long? --- They started an hour ago and they____ be here in fifteen minutes, I think.
Have you adapted _____ in a different country?
He won’t wear a hat _____.
It was not until mid-night _____ he went back home after the experiment.
I don’t know why she suggested that we _____ the work before dark.
— _____ for the glass! —It’s OK. I’m wearing shoes.