.______ his homework, he went on to preview the next lesson.
He devoted his whole life ________ animals in danger.
John broke his old radio ________, wishing to get a new one for Christmas.
Now a lot of new technology can _____ problems in industry.
Little_____ about A-H1N1 so far, so there is no doubt that many people are afraid when talking about the disease.
Not only I but also Jane ______having one exam after another.