以下每个句子均有一处错误，请找出，并按下列情况改正；
此行多一个词，把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词，在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词，在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：请在答题卡上作答。
76. His grandpa died three years before. ________
77. I’m sorry. I know only a few English. ________
78. She plays piano every day. ________
79. His father has never been to Europe. He hasn’t been there, too. ________
80. If you will study hard, you will pass the exam. ________
81. This is the tallest building which I have ever seen. ________
82. The new school is now three times as bigger as the old one. ________
83. The traffic accident was happened at the corner of the street. ________
84. The flowers in the field smell sweetly. ________
85. The manager asked his men not waste any more time. ________
