题目内容：

what places did you visit 急
place要不要加s
急
什么叫看上下文语境
什么情况加
什么情况不加

优质解答

what places have you visisted?
which place you had visited
你上面的句子可直接写为
where did you visited?
而你的句子加不加s都不太爽,但都对!