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

—How are you?—I’m OK.

 Of all the streets in Beijing, Wangfujing is _______.

----Why did you vote for Maggie? ----Because she is very _______________. She always shares things with others.

— _________ yogurt do you need?— Three cups.