Though the costume consisted only of a sheet, it was very effective. After putting it on, Mrs Richards went downstairs. She wanted to find out whether it would be comfortable to wear.

　　4.Though the costume consisted only of a sheet, it was very effective.

　　尽管化装服仅由一个被单制成，却十分逼真。

　　语言点1:句子结构分析:though引导让步状语从句，注意不能和but同时使用。

　　语言点2:consist of的意思是“由…组成”，是固定搭配。

　　5.After putting it on, Mrs Richards went downstairs.

　　理查兹夫人穿上化装服后下了楼。

　　语言点:句子结构分析:after引导省略式的时间状语从句，这句话补充完整为:After she had put it on,Mrs.Richards went downstairs.

　　6.She wanted to find out whether it would be comfortable to wear.

　　想看穿起来是否舒服。

　　语言点1:句子结构分析:whether引导宾语从句，说明wanted to find out的内容。

　　语言点2:动词不定式to wear作状语。