While he ____(work) on the comeputer,the earthquake happen.
While he ____(work) on the comeputer,the earthquake happen.
____(when/while) i sleep,the earthquake _____(happen)
The earthquake ____(happen) in Yushu on April 14,2010
the terrible earthquake -----on a Monday afternoon(happen什么形
why did the earthquake happen?
What you when the earthquake happen
When did the earthquake of Wenchuan happen
where did the earthquake happen to?
he ----the ladder while ----on the tree.
He asked me ____ on while he left the telephone to find a pe
____ earthquake happened suddenly on the night of last Monda
The teacher told us to c____ on with our work while he was a