When asked to explain he did to make his students so fascinated with his lessons the teacher paused and thought deeply.
This book gives a brief _____ of the history of the castle and details of the art collection in the main hall.
Signnatel Inc, _________ world's largest maker of controller chips for MP3 players, is said to establish ___________ new R & D centre in Hong Kong and open two sales offices on Chinas mainland.
As I ___ TV, my father ___sleep.
When I attended a meeting in Beijing I ___ my old teacher’s house.
David will probably ___, but Martha must leave early.