In the reading room, we found her seated at a desk, her attention ____ on a novel.

You can use a larger plastic bottle, ____ is cut off, ___ as a pot to grow flowers in.

With exports     an important role in its economic growth now, this province has been affected by the global economic downturn.

Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.

--- Come on, please give me some ideas about the project.---Sorry. With so much work ____ my mind, l almost break down..