Experts think that________recently discovered painting may be________Picasso.(2011·浙江,2)
The light will be thrown ______ the cause of cancer by research that is now in progress.
—Why was he unhappy yesterday? —A letter from home ______ an attack of homesickness.
______great progress Jim had made in _______ time!
When I wanted to buy a computer, I saved as much as I could, and my motherthe rest of the money.
---I hear Mary is in hospital ---Oh, really? Iknow, I go to visit him.