We have _____ art lesson on Friday.We all like it because art is ________ interesting subject.
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.