The old man lives ____ in a ____ house, but he doesn’t feel____.

Every Earth Day , We are made _____ signs to warn people to protect the nature .

It is the second time that I ____ in Shanghai. What great changes! It’s years since I ____ here last time.

The doctor had to work for ___after twelve o’clock.

Was it in the hotel _____ my father works _____ you met the film star the other day?