This girl is ready to help people any time. When she is on the bus, she always her seat to someone in need.

The factory­­­­­­________ we visited yesterday was the one _______ I once worked.

Well, I have ________to tell you. Please keep quiet.

How old is the baby boy?——He is an ________ boy.

Please stop smoking. Look at the sign. — Oh ,sorry. Isee it.