她在想该穿哪双鞋。
She was thinking which pair of shoes to wear.
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thinking英 /ˈθɪŋkɪŋ/|美 /ˈθɪŋkɪŋ/
解释
was thinking 是过去进行时，think 表示考虑/做选择；which pair of shoes to wear 是非限定 wh-从句，说明考虑的具体选项。
She was thinking which pair of shoes to wear.
was thinking 是过去进行时，think 表示考虑/做选择；which pair of shoes to wear 是非限定 wh-从句，说明考虑的具体选项。