I have been told to donate blood by the health expert __________ I need some in the medical treatment one day.
The experts announced that anything _____ is good for the heart ____ good for the brain.
Film has a much shorter history, especially when _____ such art forms as music and painting.
It is helpful for children to form a good habit by asking them to _____ all the toys after they finish playing.
---Did you fall in love with that girl _____ you met her? ---Yes. Now we lead a happy life.
Helen had to shout ______above the sound of the music .