根据短文内容填空，每空不超过一个单词（12分）
I was ___53___ excited to be picked to represent Canada. I have been to Pompeii in Italy and am now in China visiting Loulan.
Both places were important commercial cities ___54__ 2,000 years ago. They disappeared and became lost 55 . Pompeii was founded in the 8th century BC and was taken over by the Romans in 89 BC. Pompeii was destroyed __56 _ a volcano, which erupted __57__ covered Pompeii with ash. All the people were buried alive, and so was the city.
Loulan was a stopping point on the famous Silk Road __58__ the East and the West. ___59__ is believed that Loulan was gradually covered by sandstorms and then disappeared under the sand.
There are just a few ruins __60__. Some treasure, such as coins and painted pots, was found, and recently some tombs. I am becoming very interested in ancient civilizations. Maybe I shall become an archaeologist one day.