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
Until I was twenty-three I never ________ attending night school three nights a week.
New medicines and instruments ______ every day to extend life.
What I wanted to know was when and where the meeting ______.
If you go there alone after dark you might get _____. A. attacked and robbed B. attacking and robbingB. to attack and rob D. to be attacked and robbed
A red sky in the morning _____ to be a sign of bad weather.