The old man lives alone in the mountain and has a dog with company．

The two boys insisted that they shouldn't break the window．

It was on 25th September when Shenzhou VII was launched into space．

With our monitor helps, we finished the task ahead of schedule．

I happened going out to play football when it began to rain．

Only a few reporters dare to cover the case last year．

It was such a small thing to have caused us too many trouble．

It is reported that a kind of milk includes a certain poisonous chemical．

When you are in face of sudden danger, you should stay calmly．

It was the first time that I visited Jiuzhaigou, a beautiful place of interest．