It is reported that in our country cities __________ heavy air pollution that is 30 percent above the national standard or higher should try to meet standards by 2030.
My grandfather is as______as a young man and hates sitting around doing nothing all day.
Many young people in the west are expected to leave _____ could be life’s most important decision --- marriage --- almost entirely up to luck.
The Spring Festival is the day______all the members of the family get together to enjoy a reunion dinner and have a good rest.
All people,_______ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
With his work________,the businessman stepped back to his seat, feeling pleased that he was a man of action.