1.I’m supposed to go on a diet/get a raise.我应该节食/涨工资。
 
2.The meeting was scheduled for two hours,but it is not over yet.会议原定两个小时，不过现在还没有结束。
 
3.Would you care to see it/sit down for a while?你要不要看/坐一会呢？

4.Do you mind if I take tomorrow off?你介意我明天请假吗？
 
5.I’m afraid that it’s not going to work out.我恐怕这事不会成的。
 
6.Is everything under control?一切都在掌握之中吗？

7.It really depends on who is in charge.那纯粹要看谁负责了。