单词拼写(每题1分,满分10分)。76. She had difficulty delivering 77、behaves 78、advanced(发表) a speech bef

单词拼写(每题1分,满分10分)。
76. She had difficulty delivering          77、behaves         78、advanced (发表) a speech before a large audience.
77. Tony got praise from his teacher  today， for he usually delivering          77、behaves         78、advanced       （表现） himself at school.
78.They are all athroughout          80、approach        81、ease  workers who will be awarded for their hard work.
79.Free medical treatment kept him alive tthroughout          80、approach        81、ease  another year.
80.So far,since our research has not produced any answer to this problem,we need to
use a different ahomeless            83、reduced         84、exports to it.
81.Only when Jim made a call to say they'd already arrived safely did I feel at Various (放松).
82.The earthquake left thousands of people hhomeless            83、reduced         84、exports .
83.The jacket was r Various  from 100 dollars to 75 dollars.
84.We must not rely on imports but on 　 （出口产品）.
85.V 　   goods are on show at Christmas in western countries.