问题
选择题
The parents feel hopeless when their son has_____ internet games for so long.
A．accustomed to
B．addicted to
C．been accustomed to
D．been addicted to
答案
答案：D
考查谓语动词及词义辨析。此句用现在完成时，排除A.B；be accustomed to习惯于不符合句意。