The Great Wall istourist attraction that millions of people pour in every year.
so a well-known
a so well-known
such well-known
such a well-known
---Where do you want to travel for summer, Canada or America?---________ There’re so many nice places at home, you know.
After finding her car stolen, ______.
The population of Chongqing, _____from the countryside, are making their efforts to build their hometown into a more beautiful and modern society.
The girl the teachers considered _____ was caught _____ in the exam, which surprised us very much.
It is said that books on ______ popular science are in ______ short supply.