The reason ______ his coming to China is______ he wants to study in China

23Thousands of years ago, people killed the wild horse that lived around _____ food_____ time, people began to catch and raise animals

opinion, your composition is not as interestingas his but yours is ________ in writing

How many _______ teachers are there in your school –_______ them is over two hundred.

He was ______ to find that it was almost impossible to undertake the task.