— Why not turn to your history teacher for help? — ________.
The book came out in 1973 and it _________into thirty languages ever since.
Theworkershaveproduced_______thisyearastheydidtwoyearsago.
Seeing the owner, away ________.
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? ---___________________________ .