It is known to us that it was such great efforts _____________ all the Chinese athletes had made _________ helped them get 51 gold medals in the 2008 Beijing Olympic Games.
32._________on the lonely island_________more difficult than they had expected.
31. —How long_________each other before they_________married? —For about a year.
30. — Have you ever been to Australia? — Never, but I have been looking forward _______ such a chance for further study there.
29. —Shall I call you at 6 a.m., Toby? —No, not that early. I ____.
28. In the coldest of the winter, trees stood with their bare branches(枝干)_________the sky.