—I saw your mother at the hospital this morning . What’s the matter with her?—Oh , _______.She is a doctor there.
Jim Green is a doctor, and he works _________.
[11·芜湖中考]English is _________ international language.
[11·阜康中考]—What’s your father? —_________
Here is _________ for you _________ a waiter.
When you are in trouble(麻烦), you can _________ help _________ the police.