一. 根据句意用括号内所给单词的适当形式填空。 1. It is known to all that fresh air is _____ to our health and the new park ______ us all, so we should keep it clean.( benefit ) 2. The little boy made up a tale for his ______ ( absent ) from school. 3. Praise acts as an _____ to the players, and therefore they will feel _____ and get the c ourage to continue and improve their performance. ( encourage ) 4. The ______ girls swims well in spite of her ______. (disable ) 5. My brother ______ from a well — known American university. My parents attended his ______ ceremony yesterday. ( graduate ) 6. If you want to be a ______, you should work hard at _____ and care for _____ situations. ( politics ) 7. The boy who used to ______ on his parents now wants the _____ from them and is learning to be _______. ( depend ) 8. This concert was ______ by a famous _____ from Vienna. ( conduct ) 9. Could you give us some ______ ( assist ) with this work? 10. It is ______ ( annoy ) that there is always no hot water in the dormitory. 11. His fellows, as well as John, ________ (be) invited.