Jim’s mother was shopping ________ her mobile phone rang.

The terrible drought has captured worldwide attention. As responsible citizens, we must never ______ the terrible situation that our common home is faced with.

One of the most interesting places in Hangzhou ________ are often visited by foreigners is the West Lake.

Most of us still wonder ___________ it is ________ makes those honest peasant workers, without being paid at all, resign themselves to the bosses.

He was praised ____ his good works. [ ]