A traffic acident ＿＿＿on Shanghai Road yesterday afternoon.■A was happened B happened为什么答案是B呢?不是一般过去时态吗?

A traffic acident ＿＿＿on Shanghai Road yesterday afternoon.■A was happened B happened为什么答案是B呢?不是一般过去时态吗? A traffic acident ＿＿＿on Shanghai Road yesterday afternoon.■A was happened B happened为什么答案是B呢?不是一般过去时态吗? Her uncle was ＿(serious) hurt in a traffic accident. 期末考~急what happened on the road yesterday?it had a car acident.had为什么不用happened the bridge ＿ [ be] open to traffic in a few months There was a lot of traffic on the way.改同义句咋改啊?There was a lot of traffic on the way.(同义句转换)The traffic ＿＿＿ ＿＿＿ ＿＿＿.The traffic ＿＿＿ ＿＿＿ ＿＿＿.有两句! a traffic light a traffic h_____this morning traffic traffic traffic traffic traffic traffic traffic traffic traffic a lot of traffic是什么意思