She started studying medicine at college, but ______ to Business Studies in her second year.
All people, ______ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
______ he works hard,I don't mind when he finishes the experiment.
I could ______ he was surprised from the expression on his face.
—Shall I turn down the radio a little bit? —______ . I’m quite used to working with the radio ______ the music.
There is not much time left and every minute ______.