They took rock samples back to Earth for _____study. A. farther B. step by step C. further D. far aw...
2023-02-10 05:10:47 110次 2013-2014学年江苏省九年级下学期学情调研英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
They took rock samples back to Earth for _____study.
A. farther B.
step by step C. further D.
far away
本题链接：
