Hainan celebrated(庆祝)her twentieth birthday ____ April 26,2008. A. in B. at C. on
Father nodded his head to show that he__________ me.
--- Would you like some juice or coffee? ---- ________ is OK. I really don’t care.
It was a difficult time for the quake-hit victims in Ya’an, but they didn’t_________ hope.
Go downstairs, __________stand in line on the playground as soon as possible.
--- Could you tell me __________________? --- Not until Next Tuesday.