1 . ---Beijing has a lot for people to see, hasn’t it? ---Yes. It’s a popular tourist d ________.（根据首字母单词拼写）

2 . They finally arrived in the tourist d________ London after a ten-hour flight. （根据首字母单词拼写）

3 . According to the survey, Xi'an is second only to Beijing as the most popular tourist d___________ in China. （根据首字母单词拼写）

4 . Not having caught the last bus, Jack was late and was the last one to get to the ______(目的地）. （根据汉语提示填空）