1.A poster with all the rules was then put up beside the blackboard.
2.The assignments should be put on the corner of the blackboard.
3.If a student is congiscated and withheld until graduation.
4.Since becoming American president,Obama has also worked to restart the Middle East peace process.
5.Some people said Obama has been in office for only nine months and so it was too early for him to win the prize.
6.It pointed out that the award comes just as Obama is thinking about sending more soldiers to Afghanistan.
7.Many people think of New York City as an international center for eating.
8.There are so many different flavors and styles,all just steps away.
9.A government survey suggests that the top concerns of British teenagers are losing weight and fitring in.
10.Many Chinese teenagers share similar concerns to their British peers.
11.Every year since I've been in the NBA I've set goals.
12.This is a guy who could lead the team to score if he wanted to.
13.This is the first time in the 120-year history of the modern Olympics that they will be held in South America.
14.It's held every year across the country,with street parades and exciting music.
15.It's clear from the list that fantasy and vampires are preferred choices for young people in America.
16.All of the lead characters are all girls.
17.If you want short cuts and easy rewards,I recommend you leave now.
18.We're told a story of hard work,rejection and emotional turmoil.
越快越好，翻译的好追加50分