双滚筒采煤机具有两个结构相同、左右对称的截割部,它们分别位于采煤机的两侧。() 发布时间:2019-02-04 13:45 │ 来源:www.tikuol.com 题型:判断题 问题: 双滚筒采煤机具有两个结构相同、左右对称的截割部,它们分别位于采煤机的两侧。()
题型:判断题 — I called you yesterday evening. But nobody was in. — Sorry, I _____ with parents in the park. [ ]A.take B.took a walk C.was taking a walkD.are taking a walk 查看答案