when i arrived california four months ago这句话有错吗?错在哪?急用!

when i arrived california four months ago这句话有错吗?错在哪?急用! 英语几个问题When I arrived on campus a little over a week ago 这句话a when we arrived at airport the plane has fly.这句话语法有错吗? They had been talking when I arrived.这句话在语法上怎么解释? Four months ago today,four months later today意思是什么 when i was arrived in shanghai这句话对吗? I first met linda four months ago.she_____at a small restaur have you ever been to Shenzhen?--yes,I there four months ago I feel very happy when we together.这句话有错吗? she has been to Beijing for two months这句话有错吗? I like all my classmates.这句话有错吗?如果有错哪了? Call me when you have time 这句话有错吗?