--What’s the problem with the car? Have you checked the engine?--Yes, I did twice; there _________ be anything wrong with the engine.
By the time Mary gets home, her aunt ____ for London to attend a meeting.
Hardly ______________ when it began to rain.
________ for the free tickets, I would not have gone to the films so often.
The Governor demanded that all the proposals _______ on May 1st.
—Do you know what _____ influenza A (H1N1) has? —A high temperature, throat pain and so on.