New York ________ second in the production of apples, producing 850, 000, 000pounds this year．

A．occupied

B．ranked

C．arranged

D．listed

Frank was on the point of leaving ________ he noticed a letter lying on the table．

A．when

B．before

C．while

D．as

With the latest technology ________, the productivity in our factory has been greatly increased

A．to bring in

B．to be brought in

C．brought in

D．having brought in

Look at the price of that bike!It is practically the same as ________ of a new motorcycle．

A．one

B．this

C．it

D．that

The defense lawyer was questioning the old man who was one of the ________ of the murder committed last month．

A．observers

B．viewers

C．witnesses

D．audiences

It has been announced that students ________ remain in their seats until all the papers have been collected．

A．can

B．will

C．shall

D．may

There is ________ Mr．Smith with ________ good knowledge of Chinese history in our school．

A．a; a

B．the;/

C．a; the

D．/; a

A large ________ of chemical waste ________ been dumped in the river, causing serious water pollution．

A．number; has

B．quantity; has

C．number; have

D．quantity; have

We’re running out ________ fuel．

A．of

B．for

C．/

D．with

________, we had to put off the tennis match．

A．It being rainy

B．There being raining

C．Having been raining

D．Being rainy