--Recently, the word “给力” in Chinese is very popular, but I wonder what it means.--I think it means “ ”.A. powerful B. fantastic C. uncertain
Our English ______ far better in a month if we try harder.
Who is ______ of the three young men?
--You don’t look ______ today. What’s wrong? --It’s the bad fever.
Sometimes parents find ______ hard to communicate with their children.
Nowadays scientists are working hard to find out ______ to do with air pollution.