将下面的两个句子合并成一句，请注意正确使用关系代词。

That is Flight NA303．We will take it to Los Angeles．

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下面各句中哪些是含有定语从句的复合句？请从中找出引导定语从句的关系代词，在它们的下面划线。

1．Do you know who called me just now?

2．I will never forget him who helps me when I am in trouble．

3．Have you decided which to buy?

4．He always wants to get everything which he hopes to have．

5．The boy told me that he had lived in a very poor and small village for years．

6．Have you found out the place that you will go to on the map?

7．Never tell your secrets to him that can't keep secrets．

8．God helps him who helps himself．

以下句子为含有定语从句的复合句，请将引导定语从句的关系代词找出来，划线标出。

“Who am I”is one of the films that Jacky Chen stars in．