根据短文内容，用方框中所给单词的适当形式填空，每词限用一次。

The generation gap (代沟) has become a serious problem. It’s reported that some children may kill themselves if they 　【小题1】　 with their parents. I think it is because they don’t have a good time with each other. Parents now spend more time in the office, so they don’t have much time to spend with their children. As time 　【小题2】　 by, they both feel that theydon’t have the　【小题3】　topics to talk about. I think parents should spend more time with 　【小题4】　, get to know them and understand them. And 　【小题5】　children, show your feelings to your parents. They really love you. So tell them your thoughts. In this way, you can have a better understanding of each other.

This is the best hour I can _________ I_________ in the past twelve years.

A.know;have had　                                                         B.remember;had

C.think of;have had　                                                     D.think out;had

–I’m sorry. That wasn’t of much help.

– ______. And it was most helpful.

A. Thanks anyway　　　　 B. It doesn’t matter

C. Of course not　　　　　 D. Sure， it was