Paper books still play an important role in the US textbook market, with digital textbooks __________ less than 5 percent of the total.
Almost seven tons of amber__________ the Amber Room.
Only when I got here _________ that I had made a big mistake.
When they organized the ANC Youth League, he_________ it as soon as possible.
At 3:42 am everything began to shake. In fifteen terrible seconds a large city _____ in ruins.
Along the way children ________ in long wool coats _______ to look at us