C. When ; who ever D. Since ; who do you think

24. Mother was worried because little Alice was ill ， especially ________father was away in France.

A. as B. that C. during D. if

25. We won’t give up _______we should fail 10 times.

A. even if B. since C. whether D. until

26. __What was the party like?

__Wonderful . It’s years _______I enjoyed myself so much.

A. after B. before C. when D. while

27. She thought I was talking about her daughter ， _______ ， in fact ， I was talking about my daughter.

A. whom B. where C. which D. while

28. They were surprised that a child should work out the problem ________they themselves couldn’t

A. once B. then C. while D. if

29. He was about to tell me the secret _______ someone patted him on the shoulder.

A. as B. until C. while D. when

30. It was not long _______ the news spread and people from all over the world came to visit this miracle.

A. after B. before C. when D. until