23. In face of failure, it is the most important to keep up good state of mind.
---Good evening. I _______ to see Miss Mary. ---Oh, good evening. I’m sorry, but she is not in.
The TV set he _________ works well now.
There are a lot _______ people today than yesterday.
Wang Wei is one of many Chinese students _______ “on the go’.
With the development of science and technology, people’s life _______ in the past few years.