根据句意和汉语注释，写出单词的正确形式。

小题1:The exercise was too difficult. It was            (超过) the abilities of most of the class.

小题2:The doctor is busy with his work these days. He fell asleep             (立即) as soon as he

lay in bed last night.

小题3:The boss said he would consider my             (主动提议) and tell me the decision soon.

小题4:It’s better for you to say “Excuse me” before             (打扰) others.

室外的三动道岔或四动道岔在室内应选用（）SDZ组合和半个SDF组合。