十六种时态形式(以do为例): 英语时态注:构成时态的助动词be (is, am, are), have (has, have), shall, will 等需根据主语的变化来选择。 Adverb副词使用: when: When I have a lot to do, I make a to-do list. I make a to-do list when I have a lot to do. before: 先看报纸后吃 ...
LIST OF IMMIGRATION CODES INDICATING NEW VERSION AFFIDAVIT MAY HAVE BEEN USED C20 Child of an alien classified as C24 or C29 - conditional. C21 Spouse of a lawful permanent resident alien (subject to country limitations) - conditional. C22 Stepchild (under 21 years of age ...