请根据句意及首字母提示填入适当的单词。

On Sundays the Greens often go out to have dinner in a r________．

请根据句意及首字母提示填入适当的单词。

There are lots of a________ in the zoo．

请根据句意及首字母提示填入适当的单词。

I’m a n________．I help doctors and patients(病人)．