There are _______ foreign students in the class. Two are from the UK, three are from Australia and the other six are from Canada.
The boy was badly ill.He had to drop out of school because of________.
We shouldn’t________he trees in order to protect the environment.
The young man is________more famous than his father.
The baby is about 52 centimeters tall________birth.
—________the population of China? —It’s about 1.3 billion.