题目

There ________ a sports meeting next week.A．hasB．is going to beC．is going to haveD．will have 答案：B解析:略（2004•海淀区）已知：如图，四边形ABCD为正方形，E、F分别为CD、CB延长线上的点，且DE=BF．求证：∠AFE=∠AEF．