【简答题】Wang Fang ________ the fire ________ a blanket. [ ] A. put out; with B . put off; for C. put out; in D. put down; at
【单选题】They _______ the fire and helped the old man out. [ ]
【单选题】How did the girl _______ the fire and helped Mr. Sun out? [ ]
【单选题】制冷剂灌注过量,将使制冷系统工作时出现( )现象。
【单选题】制冷剂灌注过量时,将使制冷系统工作时出现以下哪种现象?
【单选题】—Look! 'No smoking!' Can you _____? —I'm sorry, I will. [ ]
【单选题】制冷剂灌注过量,将使制冷系统工作时出现()现象。