问题补充:
单选题Whatreallyworriesusis______theexplorerscanaccuratelylocatethemselveswiththedeviceincaseofbadweather.A.thatB.whereC.whatD.whether
答案:
D解析 略
时间:2019-09-18 16:40:36
单选题Whatreallyworriesusis______theexplorerscanaccuratelylocatethemselveswiththedeviceincaseofbadweather.A.thatB.whereC.whatD.whether
D解析 略