下列岩石中,可能含有化石的是[ ] A、侵人岩 B、变质岩 C、喷出岩 D、沉积 发布时间:2017-05-16 11:55 │ 来源:www.tikuol.com 题型:选择题 问题: 下列岩石中,可能含有化石的是[ ]A、侵人岩 B、变质岩 C、喷出岩 D、沉积岩
题型:选择题 Carl likes playing football ________ his brother enjoys playing the piano. [ ]A. when B. if C. since D. while 查看答案