--Are you often          on vacation?   -- Not always.

The old over 90    __  not only by their family but also by the government in many places.

Mum, the phone is ringing, I guess either you or Dad ___________ on the phone.

—All the happiness was_________ when we heard the bad news from Yushu．—But what happened to you ?

The radio says a wild animal zoo is going to ____ in our city.