Kitchen
is mostly packed up. The only thing I have left is tea.这个句子关系代词是作了have的宾语(I have the only thing left),还是have left的宾语(I have left the only thing)?求分析为什么。
The researchers calculated that the stress-reducing effects of hugging
_____ about 32 percent of that beneficial effect.这一空的答案是 explained,我想请教一下为什么不能选 served 呢?我查了serve 有“提供;产生…效果”的意思呀。谢谢解答指教。