Could I invite my friends to my birthday party? — Sorry, you _________.

We have T-shirts in blue,yellow,red and black ______ only 20 yuan.[ ]

Look! Someone is cutting a tree on the moon.–It _______ be true, Granny. Our teacher says there is no air there.

_______ good use of learning resources such as the website and library, and you will make great progress.

Damao can playbasketball and he can also playviolin.