(一) . 语法填空 1 . Mary is interested in biology and wants to be a ______ (biology) when she grows up. 2 . As a result of this event, a great dust cloud formed in the sky __________ _______ ( 阻挡 ) the sunlight. 3 . If something gets into your eye, you can lift the upper lid ______ (gentle) and get it out. 4 . This is ______ (exhaust) work, but I manage to keep going somehow. 5. The little child gave a strong _________ ( 拉力 ) at the rope but the sheep didn’t move forward at all. 6. I began to learn this when I had my car __________ ( 撞击 ) 7. Her ______ look showed that she was _____ about what he said. Yes, it was really a ______ because it was __________ that he would rather throw away the food than give it to those in need. What he said as well as what he did _______ all the people present. (puzzle) (二) . 用以下所给词的适当形式填空 watch out for, now that, break out, cheer up, get the hang of, float, do harm to, prevent...from 8. It is known to all that overwork ____________ health. 9. When the war __________, he was working in the navy. 10. We were _____________ holding the sports meeting by the bad weather. 11. The police often warn us to ____________ the thieves in our neighborhood. 12. The football fans __________ when they saw the stars they liked. 13. After a few days, he began to ____________ it, and did a good job. 14. __________ we failed this time, we should draw some useful lessons from it. 15. The water in the harbor was not deep enough to ________ such a big ship.