组卷网 > 知识点选题 > work with
更多: | 只看新题 精选材料新、考法新、题型新的试题
解析
| 共计 2 道试题
2 . The math problem was very hard for him, but he still ________ it ________.
A.worked; onB.worked; outC.worked; withD.worked; for
共计 平均难度:一般