We mustn’t be nervous when we are in danger. We should cool.
There is no doubt ________ the Diaoyu Island is part of China's territory.
---Is the Youth Center open to the public yet?---Yes. It ______ for almost one and a half years.
If he ___________ on time, we will go without him.
By the end of the last match, they _________ two goals.
Our knowledge of computers __________ growing all the time.