Do you know last Sunday?
A. where they had a picnic
B. where did they have a picnic
C. where they have a picnic
D. where will they have a picnic
网友回答
(答案→)A. where they had a picnic
B. where did they have a picnic
C. where they have a picnic
D. where will they have a picnic
解析:句意:你知道上个星期天他们在哪里野餐了吗?首先上个星期天,句子判断用一般过去时,know之后引导是宾语从句,宾语从句用陈述句语序,故选A.