填空题
请问投诉电话是多少? What's the phone number for people to make a ()?
complaint
前方施工小心驾驶 () ahead. Please be careful!
下雨路滑请小心驾驶Please drive () when it is raining!
填空题下雨路滑请小心驾驶Please drive () when it is raining!
请保持安全距离Please keep a () space!
填空题请保持安全距离Please keep a () space!