问题
选择题
The police are________to conclude that the cause of fire had been a cigarette end.
A．probable
B．possible
C．maybe
D．likely
答案
答案：D
本题考查表“可能”的相关词语的固定搭配。
It is probable that…
It is possible that…
to do…
It is likely that…
to do…
Sb. is likely to do …
由此可见，本题的主语the police 为人，因此应选D。