The Great Wall istourist attraction that millions of people pour in every year.
so a well-known
a so well-known
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such a well-known
I had just started back for the house to change my clothes _____I heard my name called.
It is an interesting story and one can't put it down _____ one has finished reading it.
I have been keeping the portrait _____ I can see it every day, as it always reminds me of my childhood in Paris.
_____earth scientists understand how and why earthquakes happen, forecasts are usually inaccurate.
Mr. Smith wanted to buy the house and he told me that ____the house cost,it would be worth it.