【单选题】. ._____ the mud from your shoes before coming in, or you will make the floor dirty.
【单选题】— Are your shoes _____________, Mary? — No, they're _____________. [ ]
【单选题】进入现场工程材料检查必须有产品合格证和什么?
【单选题】Lucy, take your shoes __________, they are dirty. [ ]
【简答题】A.Lend her his hiking shoes. B.Be more flexible. C.Lend her his gym shoes. D.Take more exercise.
【判断题】变压器外部发生短路引起的绕组过电流属于变压器的正常运行状态。
【简答题】变压器外部发生短路引起的绕组过电流属于变压器的()运行状态。
【简答题】模仿例句提问并回答。用所给单词替换句型1和句型2的画线部分,组成新的句子 his shoes/(dirty)/clean 句型1:Are his shoes dirty or clean ? 句型2:They're not dirty . They're clean . his cases/(heavy)/light