----Didn’t you see the sign “No parking !” on the right?----sorry, I didn’t . But now I know parking _____ here.
---I am sorry to have kept you ___________. ---It doesn't matter. I've just come.
The number of students in our school_________ more than 2000.
At the science museum,the boys and girls get to know__________.
The more you smile, the ___________ you will feel.
We should study the new traffic rules and 1earn how___________ ourselves.