We should _____ the power when our TV or computer is not used.
A. turn on B. turn off
C. turn up D. turn down
The mobile phone has influenced people’s life a lot since it ______.
A. invents B. invented
C. is invented D. was invented
Kim Soo-hyun(金秀贤) as well as other actors in You Who Came From The Star______ very popular these days.
A. are B. is C. was D. were
The purpose of new inventions is _______ life more difficult, but to make it easier.
A. not make B. not making
C. not to make D. do not make
－Do you know Earth Day?
－Sure, it _______ in 1970 to tell us to protect our earth.
A. gave up B. sets up
C. was given up D. was set up
Can you provide us ______ some information _____ the computer?
A. for, for B. with, with
C. with, about D. about, with
