—________ the population of the world?—It _________ about 6.8 billion.A. How many, is B. How much, is C. What’s, is
Nobody taught ___ English. He taught_________.
There is ___ 800-metre-long road behind ___ hospital.
---Is this ruler? ---No, it isn’t.is yellow,it’s.
--- Your English is very good. ---_________
Jack Brown is a boy. Jack is his _________