题目内容：

Mr.Smith was the only witness who said that the fire was ________.
Mr.Smith was the only witness whosaid that the fire was ________.
A) mature
B) deliberate
C) meaningful
D) innocent（C）

优质解答

大学四级词汇的题目吧..做到过
mature 人心理上的成熟
deliberate 故意的
meaningful 有意义的
innocent 无辜的 无罪的
这里肯定说是故意纵火 B啦