用括号里的动词或短语的正确形式完成句子。 1. We have no more right to___ happiness without pro ducing it.(consume) 2. New factories are____ everywhere.( go up) 3. Stress and tiredness often ____ a lack of concentra tion.( result in) 4. She ____ round the room before she left.( glance) 5. He ____reducing military spending.(advocate) 6. The witness ____ that she had never seen Mr. Smith. ( state) 7. He ____ talking.( keep on) 8. What ____ you doing from 9 to 11 this morning? ( be) 9. We ____ some guests for dinner last night.( have) 10. How did it ____ that he knew where we were?( come about)