让我们齐心协力实现中国梦!
Let's to achieve Chinese Dream.
Have you (曾经) been to Australia?
Unluckily,Nick broke his left (手臂) yesterday.
这本书真有用啊!我看了很多遍.
book it is!I have read it many times.
我不知道他是否能准时到校.
I wonder to school on time.
这项工程很快就会完成.
The project soon.