If it ________ for the heavy rain then, we would have arrived here ahead of time.
Water is the most widely used resource in ______ industry, and plays ______ major role in energy production.
The latest major disaster that occurred in Zhejiang paralyzed traffic, caused blackouts and ______ water supplies for days.
Children of divorced parents ______ have difficulty in forming stable relationships themselves.
—I slipped on the stairs. I think my arm is broken. —Oh! I ______ .
Jim ______ Jenny every night for the last month since he first met her in London, and they seem to be getting along very well.