The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
Bob tried to sweet-talk his mother into letting him go out. But when he saw his sweet talk________, he lost his temper.
________ at the foot of the mountain is an old church _______ back to the 18th century when it was occupied by the French.
— What did he think of the trip to Beijing last month?— He had such a good time ________ he visited the Great Wall.
________ with a slow economic situation overseas,more Chinese students are returning home after studying abroad, ________ to work in the country or in west China.
—Have you heard from Nelly recently?— Yes, I _________ his letters and cards many times while I was in Italy.