go on a trip中是on是什么词性

go on a trip中是on是什么词性 i love to go on a trip in summer中对go on a trip提问 on a business trip 中business什么词性 go on a trip 造句 关于go on a trip go on an outing是去远足,go on a school trip 这里的go on go on a trip和go for a trip go for a trip and go on a trip 哪个是正确的 用go on a field trip 造句 go on a trip to the Canada we will go on a trip.翻译 翻译：go on a school trip