There are about （)workers in our factory.A.eight hundredB.eight hundred ofC.eighthund

How many men college graduates are there in the USA？A．About 3 million.B．About 7.3 million.

What does Mrs. Leech say about the classes in her school？A．There are five or six groups in

There are many theories about the beginning of drama in ancient Greece. The one most【C1】__

Why is Jane worried about winter in the new location？A．It is much colder there.B．There are

It is estimated that there are about 800,000 people called Smith in______.A．England and Sc

Worldwide there are probably 70 to 100 shark attacks annually resulting in about 5 to 15 d