根据句意和汉语注释,写出单词的正确形式。
(1)The exercise was too difficult. It was____ (超过) the abilities of most of the class.
(2)The doctor is busy with his work these days. He fell asleep ____ (立即) as soon as he lay in bed last night.
(3)The boss said he would consider my____ (主动提议) and tell me the decision soon.
(4)It's better for you to say “Excuse me” before____ (打扰) others.