David has won the first prize in singing; he is still very excited now and feels________ desire to go to bed.

Many rules in English are ______, and large numbers of students feel ______ them.

—What do you think of her performance?    —Wonderful．____heard a ____voice．

Letters to the editor must carry the writer’s full name, which indicates that writers are _____for what they say．

—Minister, are you satified with the performance of the Chinese athletes in Beijing Olympics? ---Yes, it couldn't have been _____.