Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.
___________ in thought, he almost ran into the car in front of him
The young dancers looked so charming in their beautiful clothes that we took __________ pictures of them.
---What are the police doing? ---They are _________the mountain ___________ the escaped prisoner.
_________ to the efforts by the headmaster, I can go back to school now.
Americans eat __________ vegetables per person today as they did in the 1980s.