The number of people in the world__________ about 6 billion and large quantities of waste ____ each year.

The number of people in the world__________ about 6 billion and large quantities of waste ____ each year.

1. A.
   total; has been produced
2. B.
   totals; is produced
3. C.
   totals; are produced
4. D.
   total; are being produced

The number of people in the world ______ about 6 billion and large quantities of waste ________ each year.

       A. total; has been produced                               B. totals; is produced

       C. totals; are produced                                      D. total; are being produced

The number of people in the world _____ about 6 billion and large quantities of waste _______each year.

A．total; has been produced                            B．totals; is produced 

C．totals; are produced                                     D．total; are being produced

The number of people in the world ________ about 6 billion and large quantities of waste ________ each year.

A．totals; has been produced

B．totals; is produced

C．totals; are produced

D．total; are being produced

The number of people in the world__________ about 6 billion and large quantities of waste ____ each year.