根据句意及所给英语提示完成单词。
（1）Sudden a scream broke the (silent) of the night.
（2）Our English teacher is in medium (high).
（3）Parents' behavior has a great (affect) on their children.
（4）Our planet, Earth is becoming more and more crowded and (pollute).
（5）I like this job because I want to work (close) with children.
