30. — Have you ever been to Australia?

— Never, but I have been looking forward _______ such a chance for further study there.

31. —How long_________each other before they_________married?

—For about a year.

32._________on the lonely island_________more difficult than they had expected.

33. We were to go out for a walk ________ it began to rain.

34. The old lady has two daughters, _______ are famous actresses.

35. The ______ bodies _______ the world ______ mummies.

36. Pakistan does not _____ the possibility of a war starting with India, but promises to do everything it can to reduce tensions (紧张).

37.After _______ the area for three hours, the police found the truck near a river.

38. Li Ming, as well as some of his classmates, ______voluntary work now.

39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s.