_______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
29. It is during the Second World War ____he died.
28. We desired that help ___here without delay.
27. Helen had to shout ___above the sound of the music.
26.If you want to succeed ,you must work hard and ____you should be sure of success.
25. The only language ____is easy to learn is the mother tongue.