题目内容：

词形填空：

1.These public signs warn us       (not do) something there.

2.After hours of       (discuss), they let through the report in the end.

3.British people often behave       (polite) while waiting in public places.

4.You will be       (success) if you put your heart into it.

5.A Chinese       (medicine) team was sent to Nepal soon after the terrible earthquake happened.