During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
Norway is at _____ top of the list, and ______ other top five countries are: Iceland, Sweden, Australia, the Netherlands.
--How did you find your visit to Qingdao?---___________________________ .
Tom raised his hands to say something, but he remained silent in the end.
For some time the expert __________ people of the health risks caused by passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
—_____ that he picked up French?—It was in 2010_____ he traveled in France.