1 . 共享单车的使用者的数量今年有望达到五千万。
________ ________ ________ shared bike users is expected to reach 50 million this year.

2 . President Xi reported that our party has led people in solving ________ problems over the past five years.

A．the number of	B．a number of
C．a deal of	D．a great deal

3 . The number of books in the bookshop _______ about 10, 000 and a number of them _______ about science.

A．is; is

B．is; are

C．are; is

D．are; are

4 . —A number of workers ________ working in the factory.
—Sure. The number of the workers ________ two thousand.

A．are; are

B．is; is

C．are; is

D．is; are

5 . —A number of young people ________ volunteering to teach in China’s western provinces.
—Yes, the number of them ________ getting bigger and bigger.

A．are; are

B．are; is

C．is; are

D．is; is

6 . The graph shows that _________ the traffic accidents fell to 208 in July.

A．a number of	B．the number of
C．a large amount of	D．the large amount of

7 . The ________ (数量）of the astronauts in Shenzhou XV is three.

8 . —How many ________ doctors are there in your hospital, David?
—________ them ________ over one hundred.

A．woman; The number of; is	B．women; A number of; are
C．woman; A number of; are	D．women; The number of; is

9 . There ________ a large number of workers in the factory and the number of the workers ________ 5000.

A．is; are

B．are; is

C．is; is

10 . —How many boy students are there in your class?
—________ them ________ more than twenty-five.

A．A number of; are

B．The number of; are

C．The number of; is