How do we live a better life? Most people have this question ______ their mind.

How do we live a better life? Most people have this question( on their mind).

How do we feel about identifying with the people we have the most in common with?

Computers and other machines have and will continue to change the way people do business

A、

change

changed

changing

been changed

Our government tries to do everything they can ______ people live a better life.

A、to help
B、help
C、helping
D、helped