题目

It _____ a Saturday afternoon in May ____ Margaret could arrange for me to meet her elder sister. A . was until; when B . was until; that C . was not until; when D . was not until; that 答案：D下列家用电器中，利用电流热效应工作的是A. 电冰箱 B. 电热水器 C. 抽油烟机 D. 微波炉