Out teacher his hand on my shoulder and said, “Don’t leave your books about.”
Instead of using it at war, scientists are turning to research into the use of nuclear power for__________ purposes.
Devotion and selflessness are the __________ it takes to become such great people as Norman Bethune and Nelson Mandela.
Life is full of troubles and sufferings. Just remember, keep a positive __________ and good things will happen.
This is the first time that I_________ at the meeting.
Hurry up ! The train____ . There is only ten minutes to go.