Question

—Why do you prevent them______playing computer games?
---Because they have a bad______on teenagers.

A．from,effect

B．from,affect

C．to,effect

D．to,effect

Answer 1

A

試題分析：句意：你為什么阻止他們玩電腦游戲呢？因為他們對青少年有不良影響。Prevent sb from doing sth意為“阻止某人做某事”；have effort on sb意為“對某人有影響”；故選A。