【题目】________in her office for nearly 20 hours, she is going home to have a rest.

【题目】If we had taken such effective measures much earlier, the river___ soseriously now.

【题目】A great deal of hotel business comes from people travelling not just for holidays but by people travelling ________ their business activities．

【题目】— Did you stay at the party until the very end last night？

【题目】It was ______ of you not to disturb us.

【题目】Maury Brown of Forbes reports that Major League Baseball’s annual ________ for 2014 will top $9 billion．

【题目】Some people do some _____work without getting any money in return . These people are called volunteers.

【题目】The old lady was __________ by a car when turning around the corner of the street.

【题目】On two occasions he was accused of stealing money from the company，but in neither case ______ any evidence to support the claims．

【题目】---Do you know where David is? I couldn’t find him anywhere.