We should keep trying, and I think our efforts will finally _____.
He was working quietly, with all his attention _______ on the task.
The earthquake in Yushu _______ roughly one month before the second anniversary of the earthquake in Wenchuan.
We need to “spread a little happiness”, _______ the song goes.
. If the day _______ wet, we may have to change our plans.
It is the first time that a developing country _______ the Expo, described as the Olympic Games of economy, science and technology.