In order not to be held ____in the traffic jam ,they went to Pudo_英语解答

In order not to be held ____in the traffic jam ,they went to Pudong Airport by train.
填一个介词,up.我想问为什么,

人气：436 ℃　时间：2020-04-08 13:19:10

解答

hold up 阻挡的意思
为了不被堵车阻挡,他们乘地铁去浦东机场