- Over the past three decades the Chinese people have wonders， which contributes to the economic reforms，
- Why do scientists think deltas near the lake may hold secrets about past life on Mars？ 查看材料
- Was it at half past five when we were still sound asleephe got up?
- In the past few years, so many areas throughout the world have been hit by such destructive earthquakes, snowstorms and tsunamis ________ we have never experienced before, ________ makes us worried a lot about nature disasters.
- The population of the world has grown very fast ____ four hundred years. [ ]
- In the past few years there ________ great changes in my hometown.
- It’s already half past seven. You ________ get up quickly.
- I have a watch here. It says 1:58.
- It’s 9:50. It’s ________.
- ”It’s five forty-five”means(意思是)”It’s ___________.”