I want to know all negative effects the Internet our lives.
A. has in
B. have in
C. has on
D. have on
网友回答
A. has in
B. have in
(答案→)C. has on
D. have on
解析：本题考查主谓一致和介词。此题中the Internet our lives.是定语从句，省略了引导词。定语从句的主语是the Internet，故谓语动词have用单数形式has。省略的引导词代替先行词effects做has的宾语，构成have effect表示“对……有影响”，介词要用on。