With that trust ____ to serve all Americans and I will do my best to fulfill that duty every day as your President

President Obama and his team of administration promised to try every means possible to_____ 3,500,000 jobs and_____ the goal of recovering its economy as soon as possible.[ ]

She is just the girl, with _______ my brother came to visit me last month.

Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.

o his research work, the professorcared little about any other things．