根据下列句子及所给的汉语注释写出空白处各单词的正确形式。(一空一词)My work schedule is fairly ________ (灵活的).
Many of the teenagers are ________ (滥用) drugs.
What’s the ________ (平均的) rainfall in that area?
The company ________ (任命) John chief financial officer last week.
Lisa ________ (惊慌失措) when she heard that she might be fired.