She _______ in Zhuzhou for ten years.
We’ll have to work extra hours, for there are still some problems ____________ .
---Let me help you cross the street. --- ________ ! I’m not that old.
They have held several meetings to _____ next year's production plans.
Once new difficulties _________ in your work, it’s always important to use your brains.
When the peace talk failed.There was a fear that war may ____________ at anytime.