Betty and Kevin did their homework last night.（改一般疑问句） _____ Betty and Kevin _____ their
问题描述：
Betty and Kevin did their homework last night.（改一般疑问句） _____ Betty and Kevin _____ their
Betty and Kevin did their homework last night.（改一般疑问句）
_____ Betty and Kevin _____ their homework last night?
答
一般疑问句：
Did Betty and Kevin do their homework last night?
Betty 和Kevin 昨晚做作业了吗?
Betty and Kevin did their homework last night.
Betty 和Kevin 昨晚做作业了.