How do the boy and the girl go to school? ——The boy often______ his bicycle and the girl often ______the train to school.

There is always a parking lot __________ the shopping centre.[ ]

It is a long time _____I saw you last． ——Yes．And it will be a long time _____ we see each other again．

Many teenagers_______ the old and they often offer their seats to the old on buses.

How _is your grandmother? She is _.