1 . With the appearance of computers, complicated issues_________ (simple) so far. (所给词的适当形式填空)

2 . The application forms have now been________(简化). (根据汉语提示拼写单词)

3 . We have been using the ______ (simplify) Chinese characters for several decades. (所给词的适当形式填空)

4 . Recognition of this result enables us to ______(简化)our calculations.

5 . Noah Webster suggested s________ the spelling of English words to make it different from British English and easier to use. （根据首字母单词拼写）