题型:问答题 简答题 ---Remember the first time we____ , Ed ? ---Of course, I do. You _____ a song on the stage.A.have met;sang B.met;sangC.met;were singingD.have met;have sung 查看答案
题型:问答题 简答题 已知加油站销售90#乙醇汽油25.23吨,当日90#乙醇汽油的密度为0.746,求加油站销售90#乙醇汽油()升。A.33800.38B.33820.38C.33.820D.18.821 查看答案