↑ 收起筛选 ↑
试题详情

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

高二英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题