问题
选择题
--- Now lots of teenagers spend a lot of time playing computer games.
--- Yes. Teachers and their parents should prevent them ___________ too much.
A．to play
B．play
C．plays
D．Playing
答案
答案：D
题目分析：句意：--现在许多年轻人花费了许多时间打电脑游戏。--是的老师和他们的父母应该组织他们玩太多。Prevent sb doing sth. 组织某人做某事。故选D.
