国开(铸造学院)24秋《人文英语3》形考作业3【标准】单元自测3(10分) 试卷总分:100 得分:100 一、选择填空,从A、B、C三个选项中选出一个能填入空白处的最佳选项。(每题10分) 1.We found him ___________ in the laboratory. A.work B.working C.to work 2.We must keep our classroom _____________. A.clean B.cleaned C.cleaning 3.There is only on…
