问题
选择题
.
It is _____that he has been addicted to the drugs and has difficulty quitting it.
A．obviously
B．apparently
C．possibly
D．likely
答案
答案：D
词义辨析题。A. obviously 显而易见 B. apparently 明显 C. possibly 可能（副词） D. likely 可能（形容词）句意：他可能吸毒上瘾了戒掉它很难。根据语境此处缺少形容词故选D