句意:这两块表都很漂亮,我真不知道该选哪个.
疑问词+不定式短语=名词短语,所以which to choose是名词短语,而非宾语从句.宾语从句有主语,有谓语动词.
此处which to buy(名词短语)=which I should buy(宾语从句)
句意:这两块表都很漂亮,我真不知道该选哪个.
疑问词+不定式短语=名词短语,所以which to choose是名词短语,而非宾语从句.宾语从句有主语,有谓语动词.
此处which to buy(名词短语)=which I should buy(宾语从句)