A doctor takes care of sick people.（保持原句意思） A doctor sick people.
（1）A doctor takes care of sick people.（保持原句意思） A doctor________ ________ sick people.（2)We can have a picnic gere.(对划线部分提问) ________ ________ you do here?（3） Must Ｉ finish my work before five?（作否定句回答） No,________ ________.（4）There isn't much snow in winter in Shanghai.（改为反意意疑问句） There isn't much snow in winter in Shanghai,________ _________.