1 . She always _______(behave) well when her aunts come to visit. （所给单词适当形式填空）

2 . In less than 18 months, there were over 200,000 people reading my________________ (博客)! (根据汉语提示填空)

3 . Mr. Smith was thinking about how to explain to the manager why he was late for work, when a good idea ______ to him.

A．happened

B．brought

C．occurred

D．struck