The factory had to______ a number of employees because of economic decline in the country.
Police in America have stepped up their search for a fifteen-year-old boy who went _____ three days ago.
There are _____ flights between the two cities, _____ it convenient for people in one city to travel to work in the other.
Though faced with so many difficulties, they are _____ about their future.
The Sahara Desert is almost _____ of the US.
---It’s a long time since I saw Marry.--- _________ her this afternoon?