问题
选择题
— Peter was admitted to a second－class college.
— He ________ a top university, but he was addicted to playing computer games.
A．had entered
B．would enter
C．must have entered
D．could have entered
答案
答案：D
考查情态动词。could have done本可以做某事.他本可以进入一所一流大学的，但是他对玩电脑游戏上瘾了。