Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
come up with追上,赶上,跟上;提出,想出
例句：I hope you can come up with a better plan than this.
我希望你们能提出一个比这个更好的计划。
2.The critics say that as of Thursday, there had been little if any progress.
as of在…时,到…时为止,从…时起
例句：As of now, they won't return my e-mails.
直至现在，他们还没有答复我的电子邮件。
3.To get the latest on whether or not they did make that agreement, head to cnn.com and that is also where you can check up on the debate over healthcare reform.
check up核对,检验
例句：The policeman went to check up the records of the criminal.
警察去核对罪犯的记录。
