Online shopping is becoming ___ rising industry for China, as the country is ___home to the world's largest online population.
To their surprise, they found the lecture given by the famous professor easy ______.
If you are not familiar ____ the topic, you may write something that is familiar ____ you.
We would rather die than ______ difficulty.
Go about your business your own way. Don’t _____what others think or say.
___________ to enter an ideal university, he worked harder than ever before.