Although you may meet some difficuIties,you should never .
The young man is wondering________.
—Can you hear me?—No, I can’t. Would you please speak _________?
–-- Can you tell me ____________ in the future? --- Sure. It must be much better .
The 29th Olympic Games _____ in Beijing in 2008.
Students in Beijing _____away many books to the Hope Schools since 2009.