【正文】
The city at dusk with the fortress and castle Salzburg is in the west of Austria. It is an old town. The population is 200,000. Although it is small, there are 60 hotels in it Because the Salzburg Music Festival is held yearly, at that time, the town can attract a lot of tourists to e!!! Please choose the main idea: ? could play the three music instruments. ? could write music for violin. ? was a very talented child. What could he do when he was young? By the age of six When he was six At the age of seven At the age of eight At the age of twelve When he was four