1. You should _______________(留心任何一点变化) in the patient while the doctor is away.
2. The snow ______________________ (已持续下了几个小时) and the ground is completely covered.
3. I have no objection_______________________(再听听你的故事).
4. There is no doubt that __________________________ (近视是一个很严重的问题)among the youth of our country.
5. We have reasons to believe that, _______________ (一个更加光明美好的未来等着我们).
参考答案：
1. keep an eye on the slightest changes
2. has been steadily falling for hours
3. to hearing your story again
4. near-sightedness is a serious problem
5. we would have a better and brighter future