1£®__________(finish) the test paper£¬the student put down his pen£¬__________(satisfy) with a smile on his face.

2£®Such a__________(stress) working environment is not good to your health.

3£®The__________(account) checked this unnecessary spending in good time.

4£®Yuan Longping is considered__________(discover) a special type of rice plant.

5£®The specialists__________(invite) to the conference were mostly famous researchers who had made great contributions to China's science and technology.

6£®She is particular__________food and it seems that she is never satisfied with everything she eats.