—I have telephoned him twice but I couldn’t get through. —I think that the line _____ be being worked on today.
—I have telephoned him twice but I couldn’t get through.
—I think that the line _____ be being worked on today.
You _______ have washed the dishes. I would’ve put them in the dishwasher.
After the summer camp, I realized I wanted to take a route ________ I could use English all the time.
Was it midnight ________ the fire broke out?
— ________ he ________ anything about this historic site? — Yes. That’s why he suddenly becomes so obsessed with it.
You should never base anything on a theory that _________ impractical in practice.