题型：短文改错 题类：常考题 难易度：困难
四川省绵阳市高中2020届高三英语高考适应性考试（四诊）试卷
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。
Tom and Mary is good friends. Mary has some difficulty learn math well. She often turns to Tom for help and Tom is always willing to offer him immediate help. When forced to study at home during the past special winter vacation, Tom still gives Mary a lot help. Now they have been back to school and the teachers often make them to study more effectively. They study even hard than before with their teachers guide them. They both have already made great progresses. They hope the tough time will be over soon. They believe success is that they will achieve with their determination and devotion.
试题篮
)，并在其下面写出该加的词。删除：把多余的词用(＼)划掉。