you mean.

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3.None of these actions is either good or bad.They are simply the ways in which cultures have developed.

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答案：

1.with的复合结构：with+宾语+宾补。

2.have+宾语+省去to的不定式，表示"使某人做某事"。

3.the ways作先行词，in which引导了宾语从句，表示"用......方式"。

三、语法平台

完成下列句子，并作出归纳解释。

1.____________________（暴露在阳光中）can do harm to your skin.

2.

The bell rang,____________________（预示着新年的到来）.

3.Suddenly a tall man with long hair____________________（开着一辆黑车）picked off the little girl.

4.____________________（没有意识到周围的危险），they marched on.

5.____________________（听到母亲去世的消息后），she felt more than sad.

答案及提示：

1.Being exposed to the sunlight 现在分词短语作主语。