was your father at work at this time yesterday(做肯定回答)

was your father at work at this time yesterday(做肯定回答) he was -------at this time yesterday Jim was ___ at this time yesterday. I was at home yesterday.改为一般疑问句,做肯定回答 I was at school yesterday.改为一般疑问句并做肯定回答 Betty’s grandmother was cooking at that time 变为一般疑问句,并做肯定回答. He was riding a bike at this time yesterday. She was washing some clothes at this time yesterday. He was ___a plane at this time yesterday Lana was doing homework p____ at home this time yesterday We at this time yesterday What were you doing at this time yesterday?怎么回答