问题描述：
问题解答：
go hiking 去郊游 went hiking 去郊游（过去式） go on a trip 去旅行 went on a trip 去旅行（过去式） I went on a trip last summer holiday. 我在上一个暑假去旅行 。
went to a trip 去旅行I went to a trip last summer holiday.
上海旅游网