why were you late?____was very slow because of the traffic a

why were you late?____was very slow because of the traffic a The___(move)of the traffic was very slow A：why were you so late for the meeting today? I was late because of the traffic jam对because of the traffic I am late because of the traffic jam. （）''Why are you so late?'' ''The strees were very crowded be 改错You must careful because of the traffic is very dangerous. Can you explain ____?A、why were you late B、why you were late ——why were you late for the ceremony of the 2010 shanghai wo You never told us why you were late for the party,　　A.weren’ you must be very careful because the traffic Why were you late today?