U.S. President Barack Obama ______ a speech at a dialogue with Chinese youth at the Shanghai Science and Technology Museum during his four-day state visit to China, Nov. 16, 2009.
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.
25. — Shirley won the first prize in the English speech contest. —Woo! ________ she has made since the beginning of this term!