Yunnan ______from serious drought since 2009, so it’s our duty to save water every day.

Before ___ a loan ____, calculate (核算) your monthly costs.

The house could fall down soon if no one       some quick repair work.

With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.

— Why on earth didn’t you answer the door? — I’m terribly sorry, but the telephone _______, too.