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解析
| 共计 3 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
3 . Nobody in our class is able to solve the difficult problem.
A.work onB.work forC.work outD.work about
2020-05-21更新 | 59次组卷 | 1卷引用:甘肃省金昌市第三中学2019-2020学年九年级下学期第一次月考英语试题
共计 平均难度:一般