____ workers in the factory ____ over two thousand.

A. The number of, is   B. The number of, are 

C. A number of, is     D. A number of, are

The farmers were so sad ____ they lost their farms.

A. that B. because of　　 C. but D. because

 Eddie is one of ____ of all.

  A. the cleverest dog    B. the cleverest dogs

  C. the most clever dog  D. the most clever dogs

The earthquake ____ when I ____ some cleaning.

A. starts, was doing B. started, was doing　

C. was starting, was doing　　 D. starts, were doing

 If I ____ free next Sunday, I ____ to the farm with you.

  A. will be; will go   B. am; will go   C. am; go  D. will be; go

 People shouldn’t keep ____ animals but should continue to protect them.

  A. to kill  B. killing   C. kills    D. killed

--- ______ do you live from your school?

--- About five minutes’ ride.

A. How long　　　 B. How far　　 C. How often　　　 D. How soon

The Taiwan Earthquake killed 　people.

A. two thousands B. two thousands of C. thousand of D. thousands of

I amin places of 　in Nanjing.

　　　 A. interesting, interest　　　　　 B. interested, interest

　　　 C. interested, interesting　　　　 D. interesting, interested

Red-crowned crane is a kind of bird.

　　　 A. endanger B. dangerC. endangered D. dangerous