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
考查句型：It is likely that 很可能…，likely 形容词，可能的，A、B、C为副词，意思分别为显然地、明显地、可能地。此题应用形容词，所以选D。