—Do you regret not having accepted their invitation?—Why should I? I as much, but I’m glad to devote myself to what interests me most.
—Where do Dr. Kleitman and his assistant come from?—I’m not sure, but their English _____Australia.
The novels written by the author sell best, but five years ago no one could have imagined how great a role he _____in the literary world.
____teacher of my grandmother’s is coming the day after tomorrow. I’m wondering how old____woman she should be.
The machine has been used many years_____ it doesn’t work well occasionally.
Having my passenger in my car, I just wondered how I could _____the station since there was a traffic jam ahead.