Air pollution, together with overpopulation, ________many problems in big cities.

admin2016-08-11 32

问题 Air pollution, together with overpopulation, ________many problems in big cities.

选项 A、are causing
B、is causing
C、are caused
D、is caused

答案B

解析本题考查主谓一致。句中由together with连接了两个主语，谓语动词的单复数由第一个主语决定。air pollution应该看成单数。再根据句意判断此句的语态应为主动语态，故选B。

转载请注明原文地址:https://kaotiyun.com/show/NMRO777K

成人本科学位英语

相关试题推荐

随机试题

最新回复(0)