1.I can dance,I can sing too.
2.Certainly our team will win the game.
3.luckily,he was not badly hurt.
4.Sure, you,are right.
书上说too（第一句）Certainly（第二句）
luckily（第三句）Sure（第四句）都是插入语，可是这些不都是状语吗？
參考答案:插入语是另外一种分类。
插入语的判断方法，就是把这个词段删去以后并不影响句子的表达。
1.I can dance,I can sing too.
2.Certainly our team will win the game.
3.luckily,he was not badly hurt.
4.Sure, you,are right.
书上说too（第一句）Certainly（第二句）
luckily（第三句）Sure（第四句）都是插入语，可是这些不都是状语吗？
參考答案:插入语是另外一种分类。
插入语的判断方法，就是把这个词段删去以后并不影响句子的表达。