The railway Qinghai to Tibet is the longest plateau (高原) railway in the world.
There are ________ of students in our school, but only ________ of them are girls.
– Who did it better, Bill or Henry? – I think Bill did just _______ Henry.
I failed my math test, I don’t know .
You are tired. a rest?
Remember this, my son. ______careful you are, _______mistakes you will make.