_______ children get older, they become more and more interested in everything.
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.