if the traffic hadnt been so heavy ,icoud have been back by

、----If the traffic hadn’t been so heavy,I could have been b where have you been I-----in the heavy traffic,. 高中英语时态单选题-----Where have you been-----I in the heavy traffic where have you been i ___in the heavy traffic.Otherwise i wo 21._______ the traffic jam,I wouldn't have been so late for 关于非谓语动词做状语1.Having been delayed by heavy traffic,she found i Having been delayed by heavy traffic,（ ）it impossible to arr Have you been back to the piace the buildings have been designed by sb. ------------for the heavy rain.i should have been here earli if he hadn't been so busy at the moment he would have given These designs have been carefully ____ according to the back