Do you know ____________ the population of China is?—Yes, it has the __________ population in the world, about 1.3 billion.

You are under 18 years old, so it is for you to join the Trailwalker.

_____? As far as I know, he never came late to class.

Which do you prefer, Chinese food or Western food?—I would rather _______ Chinese food. Let’s have noodles.

My parents and I _____ going _____ vacation next week. [ ]