插入语用法很多,在句子中的位置比较灵活,在学习中应当认真去体会。大体而言,插入语可以分为以下几类:　　　　1. 用简短的句子结构作插入语。这类短语有:I t

I have many friends. One of them is my classmate Ma Hua.He is a League member and one of the best students in my class.He is fond of English and

Jenny is my desk-mate. She is a hard-working girl. When she was twelve years old, she won the first in a city-wide poetry recitation contest. Now

Countries to watch 　　Indian children try to stop a tree from being cut down in Mumbai. BRIC countries are enjoying fast economic growth. But th

动词为纲“滚雪球” 难易编组抓循环 　　 同类归纳印象深 图示介词最直观 　　 混淆多因形音义 反义词语成对念 　　 构词方法不可忘 习惯用语集中练 　　 词

现在进行时 　　 1）现在进行时的构成：Am/is/ are v-ing是现在进行时的构成形式 　　 v-ing现在分词的构成：

文章结尾的作用是概括全文内容，进一步强调或肯定文章的中心思想，使文章意义表达得更加深刻。 　　　　文章结尾的形式也是多种多样的，常见的有以下几种：

Lily and I are very interested in science, so we decided to visit the Science Museum today. It is not too far from our homes.It is about two kilo