i am going on a hiking trip with jack?going on这里的going on是什么

i am going on a hiking trip with jack?going on这里的going on是什么 I am going on a big trip. I am going on a big trip.是什么时态? I am (going on a big trip)对括号提问 I am going on a big trip.改为一般疑问句 a big trip,going on,my friend,i am造句 I'm going on a trip. I'm going on a trip. I'm going on a big trip. I AM GOING ON A BIG TRIP WITH YOU.改为一般疑问句 Sorry,I am going on a big trip with my parents是什么意思 英语翻译I am going on a big trip with my parents .Why not go ska