上面to是什么用法?怎么翻译?
划红线的选项中的 to 不是介词,而是不定式符号,以选项 A 的 To watch TV 为例,To watch TV 为不定式,用作 want 的宾语,只不过它属省略用法:
What does Rose want to do on the weekend?
To watch TV. = (Rose wants) to watch TV (on the weekend.)