“What did they do?

What did they do yesterday? what did they do finally? what did they do next? what did they do first? What did they do at the weekend? What did they do?该怎么回答 What did they do this morning what did they do over the weekend What did they do last weekend?They_____sports what did they do outside中文解释 What did they do?是What do they do?的过去时吗? 是what did they use to have?还是what did they use to do?