The best thing to do is to limit yourself to 1,000 calories a day to try to _____
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.
27. Yang Liwei was picked from the 14 candidates for the Chinese space adventure and became China’s first astronaut _______ his great efforts.
26. Our school volleyball team has _____ their training to prepare for the coming match.