丛林大乱斗:求做一道英语题:改为一般疑问句

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/06 18:13:40
They put their hands behind their backs.
( )they ( )their hands behind their back.

Did they put their hands behind their backs?

Do they put their hands behind their back?
Did they put their hands behind their back?

Did they put their hands behind their backs?
or
Do they put their hands behind their back?

did put

( Do)they ( put)their hands behind their back?

Did they put hands behind their backs?