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
The final examination is coming up soon. It’s time for us to ________ our studies.
-I heard Back Street would sing at the New Theater.-Where did you _____?
Do you mind if I _____ with my work while you are getting tea ready.
I shall be in china for three weeks. Can you make some suggestions _____ what I should see?
_____ is known to us all is that America is a developed country _____ the First World.