摘要:A 对现在事件的否定推断，可以用can't或couldn't加上动词be的现在式或者可以用can't／couldn't加上动词的进行式表示： Child：Can I have some sweets？I'm hungry． 孩子：我可以吃些糖果吗？我饿了。 Moth[阅读全文]

摘要:    1.增补(Addition)　　in addition, furthermore, again, also, besides, moreover, what`s more,　　similarly, next, finally.　　2.比较(Comparison)　　in the same way, likewise, similarly[阅读全文]